HM252342D/HM25231 NSK Double Row Double Row Bearings

Brand Name:NSK
Model Number:HM252342D/HM25231
Series:28000
Cone Part Number:28159
Cup Part Number:28300X
Design Units:Imperial
Bearing Weight:0.4 Kg
Cage Type:Stamped Steel
d:39.980 mm
D:76.2 mm

Product Details

Series28000
Cone Part Number28159
Cup Part Number28300X
Design UnitsImperial
Bearing Weight0.4 Kg
Cage TypeStamped Steel
d39.980 mm
D76.2 mm
B - Cone Width20.940 mm
C - Cup Width15.494 mm
B20.622 mm
R - Cone Backface To Clear Radius13.560 mm
r - Cup Backface To Clear Radius21.52 mm
da - Cone Frontface Backing Diameter44.96 mm
db - Cone Backface Backing Diameter52.07 mm
Da - Cup Frontface Backing Diameter71.88 mm
Db - Cup Backface Backing Diameter68.07 mm
Ab - Cage-Cone Frontface Clearance1.8 mm
Aa - Cage-Cone Backface Clearance1.5 mm
a - Effective Center Location3-4.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)43700 lbf
C1 - Dynamic Radial Rating (1 million revolutions)514300 lbf
C0 - Static Radial Rating15500 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62550 lbf
K - Factor71.45
e - ISO Factor80.4
Y - ISO Factor91.49
G1 - Heat Generation Factor (Roller-Raceway)20.7
G2 - Heat Generation Factor (Rib-Roller End)12.5
Cg - Geometry Factor0.0709
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Company Profile

Phone 708-621-5907
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