KOYO M-10121 Needle Roller Bearings

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Brand Name: KOYO
Model Number: M-10121
Series: 97000
Cone Part Number: 97472X
Design Units: Imperial
Cage Type: Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: 147000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: 38200 lbf
d: 4.7244 in
B - Cone Width: 1.9460 in
PDF M-10121

Product Details

Series 97000
Cone Part Number 97472X
Design Units Imperial
Cage Type Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 147000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 38200 lbf
d 4.7244 in
B - Cone Width 1.9460 in
R - Cone Backface To Clear Radius3 0.14 in
da - Cone Frontface Backing Diameter 5.51 in
db - Cone Backface Backing Diameter 5.71 in
Ab - Cage-Cone Frontface Clearance 0.21 in
Aa - Cage-Cone Backface Clearance 0.28 in
a - Effective Center Location4 0.52 in
C90 - Dynamic Radial Rating (90 million revolutions)5 21900 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6 84500 lbf
C0 - Static Radial Rating 109000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 27600 lbf
K - Factor8 0.79
G1 - Heat Generation Factor (Roller-Raceway) 237
G2 - Heat Generation Factor (Rib-Roller End) 44.6
Cg - Geometry Factor 0.131
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