needle roller bearing sleeve NA 6912 ZW NBS - Pioneer Machinery Source

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needle roller bearing sleeve NA 6912 ZW NBS Systems

Series:L558500
Cone Part Number:L558548
Cup Part Number:L558510
Design Units:Imperial
Bearing Weight:15 Kg
Cage Type:Stamped Steel
d:320.675 mm
D:406.400 mm
B - Cone Width:55.563 mm
C - Cup Width:38.100 mm
B:50.800 mm
R - Cone Backface To Clear Radius1:3.300 mm
r - Cup Backface To Clear Radius2:3.30 mm
da - Cone Frontface Backing Diameter:338.07 mm
db - Cone Backface Backing Diameter:338.07 mm
Da - Cup Frontface Backing Diameter:397.26 mm
Db - Cup Backface Backing Diameter:387.10 mm
Ab - Cage-Cone Frontface Clearance:1.5 mm
Aa - Cage-Cone Backface Clearance:2.3 mm
a - Effective Center Location3:21.1 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:33400 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:129000 lbf
C0 - Static Radial Rating:282000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:23300 lbf
K - Factor7:1.43
e - ISO Factor8:0.41
Y - ISO Factor9:1.47
G1 - Heat Generation Factor (Roller-Raceway):1727.9
G2 - Heat Generation Factor (Rib-Roller End):396.2
Cg - Geometry Factor:0.164

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Pioneer Machinery Source: Email[email protected]; Address13 Tuas Road Distributor Service Singapore 638512; Phone(Working Time)0065 82577418; Fax0065 82577552

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