SKF 21320 E/C3 Roller Bearings

Product Details

Series	49500
Cone Part Number	49585
Cup Part Number	49520-B
Design Units	Imperial
Bearing Weight	2.6 lb
Cage Type	Stamped Steel
d	2 in
D	4.0000 in
D1 - Flange Outer Diameter	4.2148 in
B - Cone Width	1.2500 in
C - Cup Width	1.0000 in
C1 - Cup Flange Width	0.2188 in
T1 - Bearing Width	1.250 in
T - Bearing Width to Flange	0.4688 in
R - Cone Backface To Clear Radius1	0.14 in
r - Cup Backface To Clear Radius2	0.130 in
da - Cone Frontface Backing Diameter	2.32 in
db - Cone Backface Backing Diameter	2.6 in
Da - Cup Frontface Backing Diameter	3.90 in
Ab - Cage-Cone Frontface Clearance	0.09 in
Aa - Cage-Cone Backface Clearance	0.07 in
a - Effective Center Location3	-0.28 in
C90 - Dynamic Radial Rating (90 million revolutions)4	9170 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5	35400 lbf
C0 - Static Radial Rating	35000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	6290 lbf
K - Factor7	1.46
e - ISO Factor8	0.4
Y - ISO Factor9	1.5
G1 - Heat Generation Factor (Roller-Raceway)10	49.1
G2 - Heat Generation Factor (Rib-Roller End)	14.2
Cg - Geometry Factor11	0.0946