KOYO 1988R/1922 bearing,1988R/1922 Tapered Roller Bearings--BEARINGPOWER Co.,Ltd.
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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 21308V NACHI 7028 SKF 71921 CD/P4AH1 AST AST50 WC24IB SKF GE 140 ES-2RS INA GY1104-KRR-B-AS2/V NTN NUP413 INA RNA6911-ZW FAG NU2209E FAG 11504 New Departure Z49503 Rollway ML318 NSK MFJ-2016 CONSOLIDATED 20310 CONSOLIDATED K-18020ARO Timken 308P NACHI 5312 NTN 5S-2LA-HSE018G/GNP42 SKF NA 2201.2RSX CX NH2210 E ELGES GE130SX FAG B71903-C-2RS-P4S-UL FED FB-12 HOFF R135E FED 1413 PTI SUCTF206-19 CONSOLIDATED 6309-ZNR CONSOLIDATED NA-2203-2RS CONSOLIDATED 51200 CONSOLIDATED 51411