81234 NSK Double Direction Thrust Bearings

Brand Name:NSK
Model Number:81234
Series:19000
Cone Part Number:19138
Cup Part Number:19268
Design Units:Imperial
Bearing Weight:0.30 Kg
Cage Type:Stamped Steel
d:34.976 mm
D:68.263 mm

Product Details

Series19000
Cone Part Number19138
Cup Part Number19268
Design UnitsImperial
Bearing Weight0.30 Kg
Cage TypeStamped Steel
d34.976 mm
D68.263 mm
B - Cone Width16.520 mm
C - Cup Width11.908 mm
B15.875 mm
R - Cone Backface To Clear Radius11.520 mm
r - Cup Backface To Clear Radius21.52 mm
da - Cone Frontface Backing Diameter40.39 mm
db - Cone Backface Backing Diameter42.42 mm
Da - Cup Frontface Backing Diameter66.00 mm
Db - Cup Backface Backing Diameter60.96 mm
Ab - Cage-Cone Frontface Clearance2.3 mm
Aa - Cage-Cone Backface Clearance0.8 mm
a - Effective Center Location3-1.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)42960 lbf
C1 - Dynamic Radial Rating (1 million revolutions)511400 lbf
C0 - Static Radial Rating13000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62250 lbf
K - Factor71.31
e - ISO Factor80.44
Y - ISO Factor91.35
G1 - Heat Generation Factor (Roller-Raceway)17.5
G2 - Heat Generation Factor (Rib-Roller End)11.5
Cg - Geometry Factor0.0694
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Company Profile

Phone 708-621-5907
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