Bearing KBL1257-PP NBS -

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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Bearing KBL1257-PP NBS image

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Bearing KBL1257-PP NBS Product Features

Series:07000
Cone Part Number:07100
Cup Part Number:07204
Design Units:Imperial
Bearing Weight:0.10 Kg
Cage Type:Stamped Steel
d:25.400 mm
D:51.994 mm
B - Cone Width:14.260 mm
C - Cup Width:12.700 mm
B:15.011 mm
R - Cone Backface To Clear Radius1:1.020 mm
r - Cup Backface To Clear Radius2:1.27 mm
da - Cone Frontface Backing Diameter:29.46 mm
db - Cone Backface Backing Diameter:30.48 mm
Da - Cup Frontface Backing Diameter:48.51 mm
Db - Cup Backface Backing Diameter:44.96 mm
Ab - Cage-Cone Frontface Clearance:2 mm
Aa - Cage-Cone Backface Clearance:0 mm
a - Effective Center Location3:-2.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:1700 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:6540 lbf
C0 - Static Radial Rating:6650 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:1170 lbf
K - Factor7:1.45
e - ISO Factor8:0.4
Y - ISO Factor9:1.49
G1 - Heat Generation Factor (Roller-Raceway):7.6
G2 - Heat Generation Factor (Rib-Roller End):7.1
Cg - Geometry Factor:0.0509

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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