KOYO 1988R/1922轴承,KOYO 1988R/1922圆锥滚子轴承-搜轴承KOYO数据中心
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d - 28,575 mm

D - 57,15 mm

T - 19,845 mm

B - 19,355 mm

C - 15,875 mm

a - 13,9 mm

r min. - 3,6 mm

r2 min. - 1,6 mm

da min. - 39,5 mm

Da - 51 mm

db min - 33,5 mm

ra max. - 3,6 mm

rb max. - 1,6 mm

Db - 53,5 mm

Weight - 0,227 Kg

Basic dynamic load rating (C) - 48,8 kN

Basic static load rating (C0) - 57,1 kN

(Grease) Lubrication Speed - 7000 r/min

(Oil) Lubrication Speed - 9300 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 1

Calculation factor (Y1) - 1,82

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Hot number:SNR 135 KOYO 1220K NSK NJ322E+HJ322E INA IR20X25X38.5 TIMKEN 3978/3920 OKB 36220K OKB Timken 239/1000YMB SKF C 4034-2CS5V/GEM9 KOYO K20X24X14 ISO N19/850 CYSD NF310 INA RASEY1 ISO UKF217 SKF NAO-55x85x60