| 摘要 |
The roller bearing includes a bearing body (100) having its own opposite side surfaces respectively formed with a pair of loaded roller rolling grooves (101,102) and a pair of non-loaded roller rolling grooves (103,104) which extend in the longitudinal direction of the body. A pair of end caps are secured to respective longitudinal ends of the body. Each end cap has a rollerturning passage which connects the loaded and non-loaded roller rolling grooves. Circulating rollers (200) are disposed within the roller rolling grooves. Each groove has a depth smaller than the diameter of the rollers, and a depth larger than the diameter of the rollers.
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