4R5231 NSK Four Row Cylindrical Roller Bearings NTN 

Brand Name:NSK
Model Number:4R5231
Cone Part Number:DX835560
Cup Part Number:DX252051
Design Units:Imperial
Bearing Weight:19.7 Kg
Cage Type:Stamped Steel
d:190.5 mm
D:317.500 mm
B - Cone Width:63.5 mm

Product Details

Cone Part NumberDX835560
Cup Part NumberDX252051
Design UnitsImperial
Bearing Weight19.7 Kg
Cage TypeStamped Steel
d190.5 mm
D317.500 mm
B - Cone Width63.5 mm
C - Cup Width46.038 mm
B63.5 mm
R - Cone Backface To Clear Radius14.320 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter212.09 mm
db - Cone Backface Backing Diameter217.93 mm
Da - Cup Frontface Backing Diameter300.00 mm
Db - Cup Backface Backing Diameter286.00 mm
Ab - Cage-Cone Frontface Clearance5.3 mm
Aa - Cage-Cone Backface Clearance8.1 mm
a - Effective Center Location37.9 mm
C90 - Dynamic Radial Rating (90 million revolutions)452500 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5202000 lbf
C0 - Static Radial Rating290000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)647000 lbf
K - Factor71.12
e - ISO Factor80.52
Y - ISO Factor91.15
G1 - Heat Generation Factor (Roller-Raceway)912.5
G2 - Heat Generation Factor (Rib-Roller End)126.1
Cg - Geometry Factor0.146
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Company Profile

Phone +54-12-4-352-0988
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