Bearing NO.
Cylindrical bore :NNU40/670
Tapered bore :NNU40/670K
境界寸法（mm）
d :670
D :980
B/C :308
r 1.2min :7.5
r3.4min :7.5
基本定格荷重（kN）
Cr :8420
Cor :19600
Limiting speed(rpm)
Speed Ratings :500
Abutment and fillet dimensions(mm)
da max :733
Da max :947
ra max :6
rb max :6
重量（kg）
Refer :765
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