Timken 387-S - Steel Tapered Bearing w/ Micro Blue Coating - Outer Rear

Description

Timken 387-S - Steel Tapered Bearing w/ Micro Blue Coating - Outer Rear
This is a tapered bearing commonly used in the NASCAR hubs. We have a large lot along with the tapered bearings, races, and more. These come REM finished with a Micro Blue coating to reduce friction.
Use:
• Tapered Bearing - NASCAR Speedway - REAR - 5x5 - Outer Rear
Specifications
Series
385
Cone Part Number
387-S
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)
1
42200 lbf
188000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)
2
10900 lbf
48700 N
Dimensions
d - Cone Bore
2 1/4 in
57.150 mm
B - Cone Width
0.8640 in
21.946 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
3
0.03 in
0.800 mm
da - Cone Frontface Backing Diameter
2.48 in
63 mm
db - Cone Backface Backing Diameter
2.52 in
64 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 Location
4
-0.12 in
-3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)
5
6280 lbf
28000 N
C1 - Dynamic Radial Rating (1 million revolutions)
6
24200 lbf
108000 N
C0 - Static Radial Rating
24100 lbf
107000 N
C
a90
- Dynamic Thrust Rating (90 million revolutions)
7
3810 lbf
16900 N
Factors
K - Factor
8
1.65
G1 - Heat Generation Factor (Roller-Raceway)
42
G2 - Heat Generation Factor (Rib-Roller End)
15.7
Cg - Geometry Factor
9
0.0859