| 摘要 |
PROBLEM TO BE SOLVED: To reduce cost of a bearing by using small-sized seal member on the market without using a special seal as a seal put between an inner and an outer ring at both side parts of rolling elements. SOLUTION: Seals 11, 11 are composed of a seal case 15 attached on an inner diameter surface of the outer ring 6 and a seal member 16 detachably attached on an inner circumference side of the seal case 15 and keeping sliding contact with an outer diameter circumference of the inner ring 5. An outer diameterϕB of the seal member 16 is smaller than an outer diameterϕC of a retainer 10. COPYRIGHT: (C)2003,JPO
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