| 摘要 |
PROBLEM TO BE SOLVED: To provide a double row tapered roller bearing superior in lubricating performance by supplying a sufficient quantity of lubricating oil to respective bearing parts. SOLUTION: This double row tapered roller bearing 11 has an inner ring 12 of butting small diameter side end parts of two inner ring members by sandwiching a spacer 12a, an outer ring 13 having lubricators 13a and 13b penetrating in the radial direction in a central part, a conical roller 14 arranged in double rows between the inner ring 12 and the outer ring 13 and having a through-hole 14a penetrating through the other side end surface from one side end surface and a pin type cage 15 for holding an interval of the conical roller 14. The lubricators 13a and 13b are arranged in a position dislocated from the center between raceway surfaces of the double rows arranged in the outer ring 13. COPYRIGHT: (C)2007,JPO&INPIT
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