F-809722-ZL Roller Bearings

Series:	78000C
Cone Part Number:	78215C
Cup Part Number:	78549D
Design Units:	Imperial
Bearing Weight:	12.31 lb
Cage Type:	Stamped Steel
Ab - Cage-Cone Frontface Clearance:	0.21 in
d:	2.1250 in
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Product Details

Series	78000C
Cone Part Number	78215C
Cup Part Number	78549D
Design Units	Imperial
Bearing Weight	12.31 lb
Cage Type	Stamped Steel
Ab - Cage-Cone Frontface Clearance	0.21 in
d	2.1250 in
D	5.5000 in
B - Cone Width	1.3085 in
C - Double Cup Width	2.0395 in
T - Bearing Width across Cones	3.0625 in
R - Cone Backface To Clear Radius1	0.14 in
r - Cup Frontface To Clear Radius2	0.06 in
db - Cone Backface Backing Diameter	3.31 in
Da - Cup Frontface Backing Diameter	5.19 in
Aa - Cage-Cone Backface Clearance	0.22 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3	13800 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4	92600 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5	24000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	20400 lbf
K - Factor7	0.67
e - ISO Factor8	0.87
Y1 - ISO Factor9	0.78
Y2 - ISO Factor10	1.16
G1 - Heat Generation Factor (Roller-Raceway)11	71.3
G2 - Heat Generation Factor (Rib-Roller End)	17.6
Cg - Geometry Factor12	0.0926