6,35 mm x 15,875 mm x 4,978 mm NMB RF-4 deep groove ball bearings

6,35 mm x 15,875 mm x 4,978 mm NMB RF-4 deep groove ball bearings with BEARING-SINGAPORE (PTE)LTD. easy-to-use parts graphics, giving you the ability to check parts availability, NMB Bearing pricing, examine remanufactured 6,35 mm x 15,875 mm x 4,978 mm options.

What is RF-4 bearing cross reference?

Brand Name: NMB
Model Number: RF-4
Series: 495
Cone Part Number: 496P
Design Units: Imperial
Cage Type: Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: 71600 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: 18600 lbf
d: 3.1875 in
B - Cone Width: 1.1720 in
PDF RF-4

Product Details

Series 495
Cone Part Number 496P
Design Units Imperial
Cage Type Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 71600 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 18600 lbf
d 3.1875 in
B - Cone Width 1.1720 in
R - Cone Backface To Clear Radius3 0.14 in
da - Cone Frontface Backing Diameter 3.5 in
db - Cone Backface Backing Diameter 3.74 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 10700 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6 41200 lbf
C0 - Static Radial Rating 48600 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 8120 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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