JP2006090357A - Separator for preventing damage of rolling bearing, bearing using the same and packaging method - Google Patents

Separator for preventing damage of rolling bearing, bearing using the same and packaging method Download PDF

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JP2006090357A
JP2006090357A JP2004273554A JP2004273554A JP2006090357A JP 2006090357 A JP2006090357 A JP 2006090357A JP 2004273554 A JP2004273554 A JP 2004273554A JP 2004273554 A JP2004273554 A JP 2004273554A JP 2006090357 A JP2006090357 A JP 2006090357A
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separator
bearing
rolling element
inner ring
outer ring
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Japanese (ja)
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Kimuryon Lee
キムリョン リー
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NSK Ltd
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NSK Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/04—Preventing damage to bearings during storage or transport thereof or when otherwise out of use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller bearings
    • F16C23/08—Ball or roller bearings self-adjusting
    • F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
    • F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/10—Application independent of particular apparatuses related to size
    • F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/31—Wind motors

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a separator not generating a depression and fretting wear on race way surfaces of an outer ring and an inner ring at a time of carrying and transportation, a bearing using the same and a packaging method. <P>SOLUTION: In this separator for preventing damage of the rolling bearing, sum of difference δ1 between bearing outer ring inner diameter or outer ring small flange inner diameter and separator outer diameter, and difference δ2 between inner ring small flange outer diameter or inner ring end surface outer diameter and separator inner diameter is smaller than bearing radial gap δr. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、製紙機械、風車をはじめとする多くの産業機械に使われる転がり軸受の損傷防止セパレータに関し、詳細には、工場から客先まで輸送または搬送する時に外輪または内輪軌道面に圧痕やフレッチング摩耗などの損傷を発生させないための改良に関するものである。   BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rolling bearing damage prevention separator used in many industrial machines such as papermaking machines and windmills. More specifically, the present invention relates to indentations and fretting on outer or inner raceway surfaces when transporting or transporting from factories to customers. The present invention relates to an improvement for preventing damage such as wear.

従来、製紙機械、風車用大形および超大形軸受は、軸受単体をテープ巻きに梱包して工場から出荷するのが一般的である（図１参照）。   Conventionally, a paper machine, a wind turbine large-sized, and a super-large bearing are generally shipped from a factory after packing the bearing alone in a tape (see FIG. 1).

しかしながら、このような梱包では、搬送時または輸送時に生じる、外輪、内輪または転動体のラジアル方向の動きを止めることができない。外輪または内輪がラジアル方向に動いたときに、相手の内輪または外輪との間に転動体を挟んで、この衝撃によって相手部品または自分自身に圧痕を形成させてしまう場合がある（図２参照）。   However, in such packaging, it is not possible to stop the radial movement of the outer ring, the inner ring or the rolling element that occurs during transportation or transportation. When the outer ring or inner ring moves in the radial direction, a rolling element is sandwiched between the inner ring or the outer ring of the counterpart, and this impact may cause indentation to be formed on the counterpart part or itself (see FIG. 2). .

特に大形及び超大形軸受の場合、外輪と内輪の単体質量が大きいため、回転性能を劣化させるほどの圧痕を形成させてしまう場合が多い。また、このままの状態、すなわち、外輪と転動体と内輪が金属接触し、外輪または内輪の自重による高い面圧が発生している状態で搬送または輸送されると、輸送または搬送による繰り返し振動を受け、転動面にフレッチング摩耗が発生してしまう（図３参照）。   In particular, in the case of large and super large bearings, the single mass of the outer ring and the inner ring is large, so that indentations are often formed so as to degrade the rotational performance. Also, if the outer ring, rolling element and inner ring are in metal contact with each other and a high surface pressure is generated due to the weight of the outer ring or inner ring, it will be subjected to repeated vibration due to transportation or conveyance. Then, fretting wear occurs on the rolling surface (see FIG. 3).

本発明が解決しようとする問題点は、前述した従来技術の問題である。
そこで、本発明は、搬送時や輸送時に、外輪または内輪軌道面に圧痕やフレンチング摩耗を発生させないセパレータ及びそれを用いる軸受、梱包方法を提供することを目的とする。 The problem to be solved by the present invention is the problem of the prior art described above.
Accordingly, an object of the present invention is to provide a separator that does not generate indentation or Frenching wear on the outer ring or inner ring raceway surface during transportation or transportation, a bearing using the separator, and a packing method.

本発明は、下記１．のセパレータを提供することにより、前記目的を達成したものである。
１．軸受外輪内径または外輪小つば内径とセパレータ外径との差（δ１）と、内輪小つば外径または内輪端面側外径とセパレータ内径との差（δ２）との和が、軸受ラジアルすきま（δｒ）よりも小さくなっていることを特徴とする転がり軸受の損傷防止用セパレータ。 The present invention relates to the following 1. The above object is achieved by providing a separator.
1. The sum of the difference (δ1) between the bearing outer ring inner diameter or outer ring small brim inner diameter and separator outer diameter and the difference between the inner ring small brim outer diameter or inner ring end face side outer diameter and separator inner diameter (δ2) is the bearing radial clearance (δr). A separator for preventing damage to a rolling bearing, characterized by being smaller than.

即ち、本発明に係るセパレータは、前記δ１、δ２及びδｒが、式：δｒ ＞ δ１ ＋ δ２ を満たす関係にある。   In other words, in the separator according to the present invention, the δ1, δ2, and δr satisfy the formula: δr> δ1 + δ2.

本発明のセパレータは、軸受外輪内径（外輪に小つばがある場合には外輪小つば内径）とセパレータ外径との差（δ１）及び内輪小つば外径（内輪に小つば外径がない場合には内輪端面側外径）とセパレータ内径との差（δ２）の和が軸受ラジアルすきま（δｒ）よりも小さくしたことで、軸受の輸送と搬送時の衝撃や繰り返し振動による、内輪軌道面と転動体及び外輪転動面と転動体が高い面圧で接触することによって生じる圧痕やフレッチング等の損傷を防止するものである。   The separator of the present invention has a difference (δ1) between the bearing outer ring inner diameter (outer ring small collar inner diameter if the outer ring has a small collar) and the outer diameter of the separator, and the inner ring small collar outer diameter (the inner ring has no small collar outer diameter). The inner ring end face side outer diameter) and the separator inner diameter (δ2) are smaller than the bearing radial clearance (δr), so the inner ring raceway surface and This prevents damage such as indentation and fretting caused by contact between the rolling element and the outer ring rolling surface with the rolling element at a high surface pressure.

また、本発明は、下記２．〜６．の各発明をそれぞれ提供するものである。
２．前記セパレータに、転動体抑えを付加し、転動体を転動体抑えと保持器で挟み込み、転動体の動きを止めるようになっている前記１記載のセパレータ。 The present invention also provides the following 2. ~ 6. Each invention is provided.
2. 2. The separator according to 1 above, wherein a rolling element restraint is added to the separator, and the rolling element is sandwiched between the rolling element restraint and a cage to stop the movement of the rolling element.

３．前記セパレータに、干渉防止シート（例えば、テフロンシート等）を付加し、外輪／転動体間及び内輪／転動体間の金属接触を完全に遮断するようになっている前記１記載のセパレータ。   3. 2. The separator according to 1 above, wherein an interference prevention sheet (for example, a Teflon sheet or the like) is added to the separator to completely block metal contact between the outer ring / rolling element and between the inner ring / rolling element.

４．前記セパレータに、干渉防止シート（例えば、テフロンシート等）を付加し、外輪／転動体間及び内輪／転動体間の金属接触を完全に遮断するようになっている前記２記載のセパレータ。   4). 3. The separator according to 2 above, wherein an interference prevention sheet (for example, a Teflon sheet) is added to the separator so as to completely block metal contact between the outer ring / rolling element and between the inner ring / rolling element.

５．前記１〜４の何れかに記載のセパレータを使用して梱包されてなる軸受。   5. The bearing formed by packing using the separator in any one of said 1-4.

６．前記１〜４の何れかに記載のセパレータを使用する、軸受の梱包方法。   6). 5. A bearing packing method using the separator according to any one of 1 to 4 above.

本発明によれば、搬送時や輸送時に、外輪または内輪軌道面に圧痕やフレンチング摩耗を発生させないセパレータ、及びそれを用いる軸受、梱包方法が提供される。   ADVANTAGE OF THE INVENTION According to this invention, the separator which does not generate | occur | produce an indentation and Frenching abrasion on an outer ring | wheel or an inner ring | wheel raceway surface at the time of conveyance and transport, a bearing using the same, and a packing method are provided.

以下、本発明のセパレータについて、その好ましい実施形態に基づき説明する。
本発明によると、図４に示すように、軸受外輪内径（外輪２に小つばがある場合には外輪小つば内径）と本発明の一実施形態である円盤状セパレータ１０の外径との差（δ１）及び内輪小つば外径（内輪３に小つば外径がない場合には内輪端面側外径）と該円盤状セパレータ１０の内径との差（δ２）の和が軸受ラジアルすきま（δｒ）よりも小さくすることで、すなわち、δｒ＞δ１＋δ２とすることで、外輪２または内輪３が搬送中または輸送中に動いても、転動体４が外輪２と内輪３の間に挟まれて三者が同時に金属接触しないようにする。 Hereinafter, the separator of this invention is demonstrated based on the preferable embodiment.
According to the present invention, as shown in FIG. 4, the difference between the inner diameter of the bearing outer ring (the inner diameter of the outer ring when the outer ring 2 has a small brim) and the outer diameter of the disc-shaped separator 10 according to one embodiment of the present invention. The sum of the difference (δ2) between (δ1) and the inner ring small collar outer diameter (the inner ring end face side outer diameter when the inner ring 3 does not have a small collar outer diameter) and the inner diameter of the disc-shaped separator 10 is the bearing radial clearance (δr ), That is, by setting δr> δ1 + δ2, the rolling element 4 is sandwiched between the outer ring 2 and the inner ring 3 even if the outer ring 2 or the inner ring 3 moves during transportation or transportation. Prevent people from touching metal at the same time.

これを実現する円盤状セパレータ１０を外輪２と内輪３との間に介在させ、その上からテープ巻き梱包をすることで従来の梱包仕様では避けられなかった軸受軌道面の圧痕やフレッチング摩耗の発生が防止できる（図５）。   The disk-shaped separator 10 that realizes this is interposed between the outer ring 2 and the inner ring 3 and tape-wrapped from above, causing indentations and fretting wear on the bearing raceway surface that were unavoidable with conventional packing specifications. Can be prevented (FIG. 5).

以下、実施例を挙げて本発明を更に説明する。但し、本発明は実施例により何ら制限されるものではない。   Hereinafter, the present invention will be further described with reference to examples. However, the present invention is not limited to the examples.

図６に、実施例１を示す。図６に示すように、軸受の外輪２と内輪３の間にδｒ＞δ１＋δ２となるように加工された円盤状樹脂セパレータ１０を介在し、図示しないが、この状態でテープ巻き梱包を行った。梱包後、工場から客先までの搬送及び輸送時と同じ条件で実験室シミュレーションを行った。実験終了後、軸受を分解し、内外輪の転動面観察を行ったが、圧痕やフレッチング摩耗が認められなかった。   FIG. 6 shows a first embodiment. As shown in FIG. 6, a disk-shaped resin separator 10 processed so as to satisfy δr> δ1 + δ2 is interposed between the outer ring 2 and the inner ring 3 of the bearing, and although not shown, tape-wrapping was performed in this state. After packing, a laboratory simulation was performed under the same conditions as during transportation and transportation from the factory to the customer. After completion of the experiment, the bearing was disassembled and the rolling surfaces of the inner and outer rings were observed, but no indentation or fretting wear was observed.

図７に、実施例２を示す。図７に示すように、軸受の外輪２と内輪３の間にδｒ＞δ１＋δ２となるように加工された円盤状樹脂セパレータ１０を介在し、図示しないが、この状態でテープ巻き梱包を行った。本実施例２の円盤状樹脂セパレータ１０には、ころ４の端面を抑え、外輪２または内輪３と直接金属接触しないように、ころ４の動きを止めるころ抑え７を設けている。梱包後、工場から客先までの搬送及び輸送時と同じ条件で実験室シミュレーションを行った。実験終了後、実施例１と同様に軸受を分解し、内外輪のところの転動面観察を行ったが、実施例１同様、圧痕やフレッチング摩耗が認められなかった。   FIG. 7 shows a second embodiment. As shown in FIG. 7, a disk-shaped resin separator 10 processed so as to satisfy δr> δ1 + δ2 is interposed between the outer ring 2 and the inner ring 3 of the bearing, and although not shown, tape-wrapping was performed in this state. The disc-shaped resin separator 10 according to the second embodiment is provided with a roller restraint 7 that restrains the end face of the roller 4 and stops the movement of the roller 4 so as not to be in direct metal contact with the outer ring 2 or the inner ring 3. After packing, a laboratory simulation was performed under the same conditions as during transportation and transportation from the factory to the customer. After the experiment was completed, the bearing was disassembled in the same manner as in Example 1 and the rolling surfaces were observed at the inner and outer rings. However, as in Example 1, no indentation or fretting wear was observed.

図８に、実施例３を示す。図８に示すように、軸受の外輪２と内輪３の間にδｒ＞δ１＋δ２となるように加工された円盤状樹脂セパレータ１０を介在し、図示しないが、この状態でテープ巻き梱包を行った。本実施例３の円盤状樹脂セパレータ１０には外輪２ところ４、またはころ４と内輪３の間に介在させ、直接金属接触を防ぐためのテフロンシート８を設けている。このテフロンシート８は挿入性向上のために、スリット加工されている。梱包後、工場から客先までの搬送及び輸送時と同じ条件で実験室シミュレーションを行った。実験終了後、実施例１、２と同様に軸受を分解し、内外輪のところの転動面観察を行ったが、実施例１、２同様、圧痕やフレッチング摩耗が認められなかった。
〔他の実施例〕 FIG. 8 shows a third embodiment. As shown in FIG. 8, a disk-shaped resin separator 10 processed so as to satisfy δr> δ1 + δ2 is interposed between the outer ring 2 and the inner ring 3 of the bearing, and although not shown, tape-wrapping was performed in this state. The disc-shaped resin separator 10 of the third embodiment is provided with a Teflon sheet 8 interposed between the outer ring 2 and the roller 4 or between the roller 4 and the inner ring 3 to prevent direct metal contact. The Teflon sheet 8 is slit to improve insertability. After packing, a laboratory simulation was performed under the same conditions as during transportation and transportation from the factory to the customer. After completion of the experiment, the bearing was disassembled in the same manner as in Examples 1 and 2, and the rolling surface was observed at the inner and outer rings. However, as in Examples 1 and 2, no indentation or fretting wear was observed.
[Other Examples]

上述した実施例では、円盤状セパレータの材質を樹脂としたが、木製或いは金属製のセパレータでも同様な効果が得られる。また、実施例３では、ころと内外輪の間に介在させた干渉材材質をテフロンとしているが、厚みがテフロンと同等の他の材質シートでもよい。   In the embodiment described above, the disk-shaped separator is made of resin, but the same effect can be obtained with a wooden or metal separator. Further, in the third embodiment, the interference material made between the rollers and the inner and outer rings is made of Teflon, but another material sheet having a thickness equivalent to that of Teflon may be used.

本発明は、外輪または内輪が搬送中または輸送中に動いても、転動体が外輪と内輪の間に挟まれて三者が同時に金属に接触しないようにしたセパレータであって、軸受の外輪と内輪との間に介在させることにより、軸受軌道面に発生する圧痕やフレッチング摩耗の発生を防止することのできるセパレータ、並びにこれを用いた軸受及び梱包方法として、産業上の利用可能性を有する。   The present invention provides a separator in which a rolling element is sandwiched between an outer ring and an inner ring so that the three members do not contact the metal at the same time even when the outer ring or the inner ring moves during transportation or transportation. By interposing between the inner ring and the inner ring, the present invention has industrial applicability as a separator capable of preventing the occurrence of indentations and fretting wear on the bearing raceway surface, and a bearing and a packing method using the separator.

図１は、従来の軸受梱包形態の１例を示す構成断面図である。FIG. 1 is a structural sectional view showing an example of a conventional bearing packing form. 図２は、軌道面に圧痕形成された従来の軸受を示す構成断面図である。FIG. 2 is a cross-sectional view showing a conventional bearing in which indentations are formed on the raceway surface. 図３は、フレッチング摩耗が発生した従来の軸受を示す構成断面図である。FIG. 3 is a structural sectional view showing a conventional bearing in which fretting wear has occurred. 図４は、δｒ、δ１およびδ２の定義を説明するための概略説明図である。FIG. 4 is a schematic explanatory diagram for explaining the definitions of δr, δ1, and δ2. 図５は、本発明のセパレータを用いた軸受梱包形態の１例を示す構成断面図である。FIG. 5 is a cross-sectional view showing an example of a bearing packing form using the separator of the present invention. 図６は、実施例１の実施形態を示す概略構成図である。FIG. 6 is a schematic configuration diagram illustrating an embodiment of the first embodiment. 図７は、実施例２の実施形態を示す概略構成図である。FIG. 7 is a schematic configuration diagram illustrating an embodiment of the second embodiment. 図８は、実施例３の実施形態を示す概略構成図である。FIG. 8 is a schematic configuration diagram illustrating an embodiment of the third embodiment.

符号の説明Explanation of symbols

１０…セパレータ、１…梱包テープ、２…外輪、３…内輪、４…転動体（ころ）、５…圧痕形成箇所、６…フレッチング摩耗の発生箇所、７…転動体抑え（ころ抑え）、８…テフロンシート   DESCRIPTION OF SYMBOLS 10 ... Separator, 1 ... Packing tape, 2 ... Outer ring, 3 ... Inner ring, 4 ... Rolling body (roller), 5 ... Indentation formation place, 6 ... Fretting wear occurrence place, 7 ... Rolling body restraint (roller restraint), 8 ... Teflon sheet

Claims (6)

軸受外輪内径または外輪小つば内径とセパレータ外径との差（δ１）と、内輪小つば外径または内輪端面側外径とセパレータ内径との差（δ２）との和が、軸受ラジアルすきま（δｒ）よりも小さくなっていることを特徴とする転がり軸受の損傷防止用セパレータ。   The sum of the difference (δ1) between the bearing outer ring inner diameter or outer ring small brim inner diameter and the separator outer diameter and the difference between the inner ring small brim outer diameter or inner ring end face side outer diameter and the separator inner diameter (δ2) is the bearing radial clearance (δr). A separator for preventing damage to a rolling bearing, characterized by being smaller than. 前記セパレータに、軸受の転動体抑えを付加し、転動体を転動体抑えと保持器で挟み込み、転動体の動きを止めるようになっている請求項１記載のセパレータ。   The separator according to claim 1, wherein a rolling element restraint of the bearing is added to the separator, and the rolling element is sandwiched between the rolling element restraint and a cage to stop the motion of the rolling element. 前記セパレータに、干渉防止シートを付加し、外輪／転動体間及び内輪／転動体間の金属接触を遮断するようになっている請求項１記載のセパレータ。   The separator according to claim 1, wherein an interference prevention sheet is added to the separator to block metal contact between the outer ring / rolling element and between the inner ring / rolling element. 前記セパレータに、干渉防止シートを付加し、外輪／転動体間及び内輪／転動体間の金属接触を遮断するようになっている請求項２記載のセパレータ。   The separator according to claim 2, wherein an interference prevention sheet is added to the separator to block metal contact between the outer ring / rolling element and between the inner ring / rolling element. 請求項１〜４の何れかに記載のセパレータを使用して梱包されてなる軸受。   The bearing formed by packing using the separator in any one of Claims 1-4. 請求項１〜４の何れかに記載のセパレータを使用する、軸受の梱包方法。

A bearing packing method using the separator according to claim 1.

JP2004273554A 2004-09-21 2004-09-21 Separator for preventing damage of rolling bearing, bearing using the same and packaging method Pending JP2006090357A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013044374A (en) * 2011-08-24 2013-03-04 Ntn Corp Tapered roller bearing
WO2014054149A1 (en) * 2012-10-04 2014-04-10 株式会社不二越 Method for packaging double-row self-aligning roller bearing
JP2014169742A (en) * 2013-03-04 2014-09-18 Mitsubishi Heavy Ind Ltd Bearing device
WO2018164061A1 (en) 2017-03-09 2018-09-13 Ntn株式会社 Transport jig for double-row self-aligning roller bearing and transport method
JP2019158026A (en) * 2018-03-14 2019-09-19 Ntn株式会社 Bearing package
US20200191204A1 (en) * 2018-12-17 2020-06-18 Aktiebolaget Skf System with a rolling bearing
US11111963B2 (en) 2017-03-09 2021-09-07 Ntn Corporation Transport jig and transport method for double-row self-aligning roller bearing

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013044374A (en) * 2011-08-24 2013-03-04 Ntn Corp Tapered roller bearing
WO2014054149A1 (en) * 2012-10-04 2014-04-10 株式会社不二越 Method for packaging double-row self-aligning roller bearing
JP2014169742A (en) * 2013-03-04 2014-09-18 Mitsubishi Heavy Ind Ltd Bearing device
WO2018164061A1 (en) 2017-03-09 2018-09-13 Ntn株式会社 Transport jig for double-row self-aligning roller bearing and transport method
US11111963B2 (en) 2017-03-09 2021-09-07 Ntn Corporation Transport jig and transport method for double-row self-aligning roller bearing
JP2019158026A (en) * 2018-03-14 2019-09-19 Ntn株式会社 Bearing package
WO2019176853A1 (en) * 2018-03-14 2019-09-19 Ntn株式会社 Bearing package
US20200191204A1 (en) * 2018-12-17 2020-06-18 Aktiebolaget Skf System with a rolling bearing
CN111322318A (en) * 2018-12-17 2020-06-23 斯凯孚公司 System with rolling bearing
US11002317B2 (en) * 2018-12-17 2021-05-11 Aktiebolaget Skf System with a rolling bearing

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