NTN HK2520LL/3AS Roller Bearings

Product Details

Series	2500
Cone Part Number	2581
Cup Part Number	2523-B
Design Units	Imperial
Bearing Weight	0.7 lb
Cage Type	Stamped Steel
d	1.3125 in
D	2.7500 in
D1 - Flange Outer Diameter	2.9020 in
B - Cone Width	0.9983 in
C - Cup Width	0.7500 in
C1 - Cup Flange Width	0.1560 in
T1 - Bearing Width	0.9375 in
T - Bearing Width to Flange	0.3435 in
R - Cone Backface To Clear Radius1	0.03 in
r - Cup Backface To Clear Radius2	0.06 in
da - Cone Frontface Backing Diameter	1.54 in
db - Cone Backface Backing Diameter	1.56 in
Da - Cup Frontface Backing Diameter	2.62 in
Ab - Cage-Cone Frontface Clearance	0.06 in
Aa - Cage-Cone Backface Clearance	0.02 in
a - Effective Center Location3	-0.34 in
C90 - Dynamic Radial Rating (90 million revolutions)4	4880 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5	18800 lbf
C0 - Static Radial Rating	21200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	2280 lbf
K - Factor7	2.14
e - ISO Factor8	0.27
Y - ISO Factor9	2.19
G1 - Heat Generation Factor (Roller-Raceway)10	23.6
G2 - Heat Generation Factor (Rib-Roller End)	9.63
Cg - Geometry Factor11	0.0656