NTN KMJ30X37X20S Needle Roller And Cage Assemblies

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Brand Name: NTN
Model Number: KMJ30X37X20S
Series: 22000
Cone Part Number: 22168
Cup Part Number: 22325
Design Units: Imperial
Bearing Weight: 0.4 Kg
Cage Type: Stamped Steel
d: 42.863 mm
D: 82.550 mm
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Product Details

Series 22000
Cone Part Number 22168
Cup Part Number 22325
Design Units Imperial
Bearing Weight 0.4 Kg
Cage Type Stamped Steel
d 42.863 mm
D 82.550 mm
B - Cone Width 19.837 mm
C - Cup Width 15.080 mm
B 19.842 mm
R - Cone Backface To Clear Radius1 2.290 mm
r - Cup Backface To Clear Radius2 1.52 mm
da - Cone Frontface Backing Diameter 48.51 mm
db - Cone Backface Backing Diameter 52.07 mm
Da - Cup Frontface Backing Diameter 76.96 mm
Db - Cup Backface Backing Diameter 72.90 mm
Ab - Cage-Cone Frontface Clearance 2.5 mm
Aa - Cage-Cone Backface Clearance 0.5 mm
a - Effective Center Location3 -2.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)4 4510 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5 17400 lbf
C0 - Static Radial Rating 16500 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 3320 lbf
K - Factor7 1.36
e - ISO Factor8 0.43
Y - ISO Factor9 1.39
G1 - Heat Generation Factor (Roller-Raceway) 23.7
G2 - Heat Generation Factor (Rib-Roller End) 14.4
Cg - Geometry Factor 0.0758
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