Timken X30203
Tapered Roller Bearings - Single Cones - Metric
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
30203
Cone Part Number
X30203
Design Units
METRIC
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
37200 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
9630 N
Full Timken Part Number
30203
Dimensions
d - Cone Bore
17 mm
B - Cone Width
12.000 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
1.020 mm
da - Cone Frontface Backing Diameter
21 mm
db - Cone Backface Backing Diameter
22 mm
Ab - Cage-Cone Frontface Clearance
2 mm
Aa - Cage-Cone Backface Clearance
-0.3 mm
a - Effective Center Location4
-3.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
5530 N
C1 - Dynamic Radial Rating (1 million revolutions)6
21300 N
C0 - Static Radial Rating
19900 N
C7
3270 N
Factors
K - Factor8
1.69
G1 - Heat Generation Factor (Roller-Raceway)
4.2
G2 - Heat Generation Factor (Rib-Roller End)
6
Cg - Geometry Factor9
0.0398
