JPS60173762U

JPS60173762U - Oil seal for sealed rolling bearings

Info

Publication number: JPS60173762U
Application number: JP1984062319U
Authority: JP
Inventors: 勲岡本; 小山　元三; 健一鈴木
Original assignee: 財団法人鉄道総合技術研究所; 日本精工株式会社; キーパー株式会社
Priority date: 1984-04-27
Filing date: 1984-04-27
Publication date: 1985-11-18

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の密封ころがり軸受装置の断面図、第２図
は本考案のオイルシールを使用した密封ころがり軸受装
置の断面図、第３図、第４図、第５図、第６図は本考案
のオイルシールの断面図である。１．１′・・・ケース、２，２′・・＝シール部、３゜
３′・・・ダストリップ、４，４′・・・シールリップ
、５．５′・・・リング、６，６′・・・ラビリンス、
７゜７′・・・後蓋、８・・・軸受外輪、９・・・軸、
１０・・・注入口、１１・・・水切り、１２・・・切欠
き、Ａ、Ａ’・・・隙間。第３図第５図Fig. 1 is a sectional view of a conventional sealed rolling bearing device, Fig. 2 is a sectional view of a sealed rolling bearing device using the oil seal of the present invention, and Figs. 3, 4, 5, and 6 are FIG. 3 is a sectional view of the oil seal of the present invention. 1.1'...Case, 2,2'...=Seal part, 3゜3'...Dust lip, 4,4'...Seal lip, 5.5'...Ring, 6, 6'...Labyrinth,
7゜7'...Rear cover, 8...Bearing outer ring, 9...Shaft,
10... Inlet, 11... Drainer, 12... Notch, A, A'... Gap. Figure 3 Figure 5

Claims

[Scope of utility model registration request]

(1) Between the rear cover 7 fixed to the case 1 in an oil seal consisting of a case 1 that fits into a sealed rolling bearing and a seal part 2 that is integrally formed or combined with the case 1. An oil seal for a sealed rolling bearing, characterized in that it is equipped with a drainer 11 that can sufficiently form a labyrinth in the axial direction.

(2) The oil seal for a sealed rolling bearing according to claim (1), which has a ring 5 fixed to the case 1 and having a minute gap A between it and the rear cover 7.