Timken 30304
Tapered Roller Bearings - TS (Tapered Single) Metric
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
30304
Cone Part Number
X30304
Cup Part Number
Y30304
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
30304-90KA1
Dimensions
d - Bore
20 mm
D - Cup Outer Diameter
52 mm
B - Cone Width
15.000 mm
C - Cup Width
13.000 mm
T - Bearing Width
16.250 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
1.520 mm
r - Cup Backface "To Clear" Radius2
1.52 mm
da - Cone Frontface Backing Diameter
24.5 mm
db - Cone Backface Backing Diameter
27 mm
Da - Cup Frontface Backing Diameter
48.01 mm
Db - Cup Backface Backing Diameter
45.47 mm
Ab - Cage-Cone Frontface Clearance
3.3 mm
Aa - Cage-Cone Backface Clearance
-1 mm
a - Effective Center Location3
-4.8 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
9980 N
C1 - Dynamic Radial Rating (1 million revolutions)5
38500 N
C0 - Static Radial Rating
34500 N
C6
5130 N
Factors
K - Factor7
1.95
e - ISO Factor8
0.3
Y - ISO Factor9
2
G1 - Heat Generation Factor (Roller-Raceway)
7.5
G2 - Heat Generation Factor (Rib-Roller End)
5.5
Cg - Geometry Factor10
0.0458
