Nsk Corporation

Yoshihiko Shirosaki

Yukio Sato

Takashi Yamamoto

Kazuhiko Otaka

Tasuku Suzuki

Junichi Uneya

An end portion of a pinrotatably supporting a rolling bodyis fitted in a pin-receiving holeformed in an annular side plateThe pin-receiving holehas interference in a range from 5 to 40 &#x3bc;m between itself and the outer diameter of the pinThe end portion of the pinpressed in the pin-receiving holewith 5-40 &#x3bc;m interference is welded to the annular side plate

Cage for roller bearing

Circumferential grooves 6c and 6d are respectively formed in the outer peripheral surface 6a and inner peripheral surface 6b of a floating ring 6, and the circumferential groove 6d is used to form a lubricant feed portion 8 in a clearance 7 between the outer peripheral surface 1a of an inner race 1 and itself, while the circumferential groove 6c is used to form another lubricant feed portion 8 in another clearance 7 between the inner peripheral surface 5b of a cage 5 and itself, thereby being able to improve lubricating conditions between the two respective partner portions.

Growing community of inventors

Fujisawa, Japan

Yoshihiko Shirosaki