Cylindrical Bearing NF 256 NACHI - Pioneer Machinery Source

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Cylindrical Bearing NF 256 NACHI image

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CYLINDRICAL ROLLER BEARING Product Description

Series:15000
Cone Part Number:15102
Cup Part Number:15250
Design Units:Imperial
Bearing Weight:0.30 Kg
Cage Type:Stamped Steel
d:25.400 mm
D:63.500 mm
B - Cone Width:20.638 mm
C - Cup Width:15.875 mm
B:20.638 mm
R - Cone Backface To Clear Radius1:1.520 mm
r - Cup Backface To Clear Radius2:1.27 mm
da - Cone Frontface Backing Diameter:31.5 mm
db - Cone Backface Backing Diameter:34.04 mm
Da - Cup Frontface Backing Diameter:59.44 mm
Db - Cup Backface Backing Diameter:55.88 mm
Ab - Cage-Cone Frontface Clearance:1.8 mm
Aa - Cage-Cone Backface Clearance:0.8 mm
a - Effective Center Location3:-5.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:3490 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:13500 lbf
C0 - Static Radial Rating:12100 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:2090 lbf
K - Factor7:1.67
e - ISO Factor8:0.35
Y - ISO Factor9:1.71
G1 - Heat Generation Factor (Roller-Raceway):14.6
G2 - Heat Generation Factor (Rib-Roller End):7.58
Cg - Geometry Factor:0.0606

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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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