Product number:

387/382

Brand:

Product name:

bearing

Sizes:

57.15X98.425X21/17.826

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387/382

Property name	Property value (imperial / metric)
Series	385
Cone Part Number	387
Cup Part Number	382
Design Unit	Inch
Bearing Weight	1.4 lb / 0.6 Kg
Cage Material	Stamped Steel
d - Bore	2 1/4 in / 57.15 mm
D - Cup Outer Diameter	3.8750 in / 98.425 mm
B - Cone Width	0.8640 in / 21.946 mm
C - Cup Width	0.7018 in / 17.826 mm
T - Bearing Width	0.8268 in / 21.001 mm
R - Cone Backface "To Clear" Radius1	0.090 in / 2.3 mm
r - Cup Backface "To Clear" Radius2	0.03 in / 0.76 mm
da - Cone Frontface Backing Diameter	2.48 in / 63 mm
db - Cone Backface Backing Diameter	2.64 in / 67.0 mm
Da - Cup Frontface Backing Diameter	3.66 in / 92.96 mm
Db - Cup Backface Backing Diameter	3.54 in / 89.92 mm
Ab - Cage-Cone Frontface Clearance	0.11 in / 2.8 mm
Aa - Cage-Cone Backface Clearance	0.03 in / 0.8 mm
a - Effective Center Location3	-0.12 in / -3 mm
C90 - Dynamic Radial Rating (90 million revolutions)4	6280 lbf / 28000 N
C1 - Dynamic Radial Rating (1 million revolutions)5	24200 lbf / 108000 N
C0 - Static Radial Rating	24100 lbf / 107000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	3810 lbf / 16900 N
K - Factor7	1.65
e - ISO Factor8	0.35
Y - ISO Factor9	1.69
G1 - Heat Generation Factor (Roller-Raceway)	42
G2 - Heat Generation Factor (Rib-Roller End)	15.7
Cg - Geometry Factor10	0.0859