INA SN55 SLOVAKIA Bearing 7.938*12.7*7.938

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What is SN55 bearing interchange?

Brand Name: INA
Model Number: SN55
Series: 495
Cone Part Number: 495XA
Design Units: Imperial
Cage Type: Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: 60500 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: 15700 lbf
d: 3.2500 in
B - Cone Width: 1.1720 in
PDF SN55

Product Details

Series 495
Cone Part Number 495XA
Design Units Imperial
Cage Type Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 60500 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 15700 lbf
d 3.2500 in
B - Cone Width 1.1720 in
R - Cone Backface To Clear Radius3 0.280 in
da - Cone Frontface Backing Diameter 3.54 in
db - Cone Backface Backing Diameter 4.09 in
Ab - Cage-Cone Frontface Clearance 0.12 in
Aa - Cage-Cone Backface Clearance 0.07 in
a - Effective Center Location4 -0.03 in
C90 - Dynamic Radial Rating (90 million revolutions)5 9000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6 34700 lbf
C0 - Static Radial Rating 48600 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 6850 lbf
K - Factor8 1.31
G1 - Heat Generation Factor (Roller-Raceway) 104.6
G2 - Heat Generation Factor (Rib-Roller End) 29.3
Cg - Geometry Factor 0.125
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