Timken 30303
Tapered Roller Bearings - TS (Tapered Single) Metric
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
30303
Cone Part Number
X30303
Cup Part Number
Y30303
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
30303-90KA1
Dimensions
d - Bore
17 mm
D - Cup Outer Diameter
47 mm
B - Cone Width
14.000 mm
C - Cup Width
12.000 mm
T - Bearing Width
15.250 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
1.020 mm
r - Cup Backface "To Clear" Radius2
1.02 mm
da - Cone Frontface Backing Diameter
21.5 mm
db - Cone Backface Backing Diameter
22.5 mm
Da - Cup Frontface Backing Diameter
43.43 mm
Db - Cup Backface Backing Diameter
41.40 mm
Ab - Cage-Cone Frontface Clearance
2.8 mm
Aa - Cage-Cone Backface Clearance
-0.8 mm
a - Effective Center Location3
-4.8 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
8480 N
C1 - Dynamic Radial Rating (1 million revolutions)5
32700 N
C0 - Static Radial Rating
28400 N
C6
4140 N
Factors
K - Factor7
2.05
e - ISO Factor8
0.29
Y - ISO Factor9
2.11
G1 - Heat Generation Factor (Roller-Raceway)
5.8
G2 - Heat Generation Factor (Rib-Roller End)
5
Cg - Geometry Factor10
0.0412
