NA4900 Needle roller bearings

Brand Name	Bearings,Roller Bearings,Needle Roller Bearings & Rings,Needle Roller Bearings,NA4900
Model Number	NA4900
Min.Order Quantity	1 pcs
Price	Negotiable

Product Details

Series	55000C
Cone Part Number	55206C
Cup Part Number	55437-B
Design Units	Imperial
Bearing Weight	3 lb
Cage Type	Stamped Steel
d	2.0625 in
D	4.3750 in
D1 - Flange Outer Diameter	4.5938 in
B - Cone Width	1.0594 in
C - Cup Width	0.8125 in
C1 - Cup Flange Width	0.2188 in
T1 - Bearing Width	1.1875 in
T - Bearing Width to Flange	0.5938 in
R - Cone Backface To Clear Radius1	0.14 in
r - Cup Backface To Clear Radius2	0.130 in
da - Cone Frontface Backing Diameter	2.54 in
db - Cone Backface Backing Diameter	2.83 in
Da - Cup Frontface Backing Diameter	4.25 in
Ab - Cage-Cone Frontface Clearance	0.16 in
Aa - Cage-Cone Backface Clearance	0.17 in
a - Effective Center Location3	0.3 in
C90 - Dynamic Radial Rating (90 million revolutions)4	8810 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5	34000 lbf
C0 - Static Radial Rating	36200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	13300 lbf
K - Factor7	0.66
e - ISO Factor8	0.88
Y - ISO Factor9	0.68
G1 - Heat Generation Factor (Roller-Raceway)10	48.7
G2 - Heat Generation Factor (Rib-Roller End)	15.4
Cg - Geometry Factor11	0.12