JP2007120652A - 円すいころ軸受 - Google Patents
円すいころ軸受 Download PDFInfo
- Publication number
- JP2007120652A JP2007120652A JP2005314642A JP2005314642A JP2007120652A JP 2007120652 A JP2007120652 A JP 2007120652A JP 2005314642 A JP2005314642 A JP 2005314642A JP 2005314642 A JP2005314642 A JP 2005314642A JP 2007120652 A JP2007120652 A JP 2007120652A
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- JP
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- Prior art keywords
- tapered
- cage
- roller
- tapered roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000005096 rolling process Methods 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000009751 slip forming Methods 0.000 abstract 2
- 230000002542 deteriorative effect Effects 0.000 abstract 1
- 239000010687 lubricating oil Substances 0.000 description 19
- 229920006351 engineering plastic Polymers 0.000 description 10
- 239000003921 oil Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000005461 lubrication Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000004696 Poly ether ether ketone Substances 0.000 description 3
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- 239000004954 Polyphthalamide Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
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- 229920002530 polyetherether ketone Polymers 0.000 description 3
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- 229920006375 polyphtalamide Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- -1 that is Polymers 0.000 description 3
- 229920000106 Liquid crystal polymer Polymers 0.000 description 2
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 2
- 239000004693 Polybenzimidazole Substances 0.000 description 2
- 239000004697 Polyetherimide Substances 0.000 description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920006111 poly(hexamethylene terephthalamide) Polymers 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920002312 polyamide-imide Polymers 0.000 description 2
- 229920001230 polyarylate Polymers 0.000 description 2
- 229920002480 polybenzimidazole Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920001601 polyetherimide Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229920006259 thermoplastic polyimide Polymers 0.000 description 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920003189 Nylon 4,6 Polymers 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920012310 Polyamide 9T (PA9T) Polymers 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- 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
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/42—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon
- F16H2048/423—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon characterised by bearing arrangement
Landscapes
- General Details Of Gearings (AREA)
- Rolling Contact Bearings (AREA)
Abstract
【解決手段】円すいころ軸受は、内輪2と外輪3と円すいころ4と保持器5とからなり、ころ係数γが0.94を越え、保持器5が、円すいころの小端面側で連なった環状部6と、円すいころの大端面側で連なった環状部7と、両環状部を連結する複数の柱部8とからなり、柱部8の内径面の両側に円すいころ4の転動面と接するテーパ面8aが形成してあり、テーパ面の幅方向の長さ寸法Lが、円すいころ4の平均直径の5%以上11%未満であり、保持器4が軸中心に位置した状態では保持器と外輪軌道面間にすきまが存在し、柱部8のころ当たり幅がポケット中央位置から軸方向にポケット長さの10%以上確保してある。
【選択図】図1
Description
ころ係数γ=(Z・DA)/(π・PCD)
ここに、Z:ころ本数、DA:ころ平均径、PCD:ころピッチ円径。
・アキシアル荷重:300kgf
・回転速度 :300〜2000rpm(100rpmピッチ)
・潤滑条件 :油浴潤滑(潤滑油:75W−90)
2 内輪
2a 軌道面
2b 小つば
2c 大つば
3 外輪
3a 軌道面
4 円すいころ
5 保持器
6 環状部(ころ小端面側)
7 環状部(ころ大端面側)
8 柱部
8a テーパ面(ポケット柱面)
9 ポケット
Claims (6)
- 内輪と、外輪と、前記内輪の軌道面と前記外輪の軌道面との間に介在させた複数の円すいころと、前記円すいころをポケットに保持する保持器とからなり、
ころ係数γが0.94を越え、
前記保持器が、前記円すいころの小端面側で連なった環状部と、前記円すいころの大端面側で連なった環状部と、前記両環状部を連結する複数の柱部とからなり、前記柱部の内径面の両側に前記ころの転動面と接するテーパ面が形成してあり、前記テーパ面の幅方向の長さ寸法が、前記ころの平均直径の5%以上11%未満であり、
前記柱部のころ当たり幅が左右共にポケット軸方向中央位置に対しポケット長さの10%以上確保してある円すいころ軸受。 - 保持器が軸中心に位置した状態では保持器外径と外輪軌道面間にすきまが存在している請求項1の円すいころ軸受。
- 前記柱部の厚さ寸法が、前記ころの平均直径の5%以上17%未満である請求項1または2の円すいころ軸受。
- 前記保持器が鉄板製である請求項1ないし3のいずれかの円すいころ軸受。
- 前記保持器が樹脂製である請求項1ないし3のいずれかの円すいころ軸受。
- 自走車両の動力伝達軸を支持するものである請求項1ないし5のいずれかの円すいころ軸受。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005314642A JP5008856B2 (ja) | 2005-10-28 | 2005-10-28 | 円すいころ軸受 |
PCT/JP2006/320186 WO2007046263A1 (ja) | 2005-10-19 | 2006-10-10 | ころ軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005314642A JP5008856B2 (ja) | 2005-10-28 | 2005-10-28 | 円すいころ軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007120652A true JP2007120652A (ja) | 2007-05-17 |
JP5008856B2 JP5008856B2 (ja) | 2012-08-22 |
Family
ID=38144716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005314642A Active JP5008856B2 (ja) | 2005-10-19 | 2005-10-28 | 円すいころ軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5008856B2 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50126841U (ja) * | 1974-04-04 | 1975-10-17 | ||
JP2000170775A (ja) * | 1998-12-03 | 2000-06-20 | Ntn Corp | 円錐ころ軸受および車両用歯車軸支持装置 |
JP2005147365A (ja) * | 2003-11-19 | 2005-06-09 | Nakanishi Metal Works Co Ltd | 円錐ころ軸受用保持器及び円錐ころ軸受の組立方法 |
JP2005147364A (ja) * | 2003-11-19 | 2005-06-09 | Nakanishi Metal Works Co Ltd | ころ軸受用保持器及びその製造方法 |
JP2005188738A (ja) * | 2003-12-02 | 2005-07-14 | Ntn Corp | 円すいころ軸受 |
-
2005
- 2005-10-28 JP JP2005314642A patent/JP5008856B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50126841U (ja) * | 1974-04-04 | 1975-10-17 | ||
JP2000170775A (ja) * | 1998-12-03 | 2000-06-20 | Ntn Corp | 円錐ころ軸受および車両用歯車軸支持装置 |
JP2005147365A (ja) * | 2003-11-19 | 2005-06-09 | Nakanishi Metal Works Co Ltd | 円錐ころ軸受用保持器及び円錐ころ軸受の組立方法 |
JP2005147364A (ja) * | 2003-11-19 | 2005-06-09 | Nakanishi Metal Works Co Ltd | ころ軸受用保持器及びその製造方法 |
JP2005188738A (ja) * | 2003-12-02 | 2005-07-14 | Ntn Corp | 円すいころ軸受 |
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Publication number | Publication date |
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JP5008856B2 (ja) | 2012-08-22 |
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