NNU4944 KOYO Double-row cylindrical roller bearings - FGDB Pump Machinery Equipment Co., Ltd.

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NNU4944 KOYO Double-row cylindrical roller bearings Specification details

Series:475
Cone Part Number:484
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:56100 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:14600 lbf
d:2.7559 in
B - Cone Width:1.1420 in
R - Cone Backface To Clear Radius3:0.080 in
da - Cone Frontface Backing Diameter:3.03 in
db - Cone Backface Backing Diameter:3.15 in
Ab - Cage-Cone Frontface Clearance:0.12 in
Aa - Cage-Cone Backface Clearance:0.04 in
a - Effective Center Location4:-0.16 in
C90 - Dynamic Radial Rating (90 million revolutions)5:8360 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:32200 lbf
C0 - Static Radial Rating:41900 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:5500 lbf
K - Factor8:1.52
G1 - Heat Generation Factor (Roller-Raceway):77.2
G2 - Heat Generation Factor (Rib-Roller End):23
Cg - Geometry Factor:0.108

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FGDB Pump Machinery Equipment Co., Ltd.: Address5625 South Layton Road Anderson Indiana 46011, U.S.A.; Phone(Working Time); Fax

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