Timken 30208
Tapered Roller Bearings - TS (Tapered Single) Metric
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
30208
Cone Part Number
X30208M
Cup Part Number
Y30208M
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
30208M-90KM1
Dimensions
d - Bore
40 mm
D - Cup Outer Diameter
80 mm
B - Cone Width
18 mm
C - Cup Width
16 mm
T - Bearing Width
19.75 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
1.5 mm
r - Cup Backface "To Clear" Radius2
1.5 mm
da - Cone Frontface Backing Diameter
47.5 mm
db - Cone Backface Backing Diameter
49.5 mm
Da - Cup Frontface Backing Diameter
75 mm
Db - Cup Backface Backing Diameter
71 mm
Ab - Cage-Cone Frontface Clearance
3.6 mm
Aa - Cage-Cone Backface Clearance
0 mm
a - Effective Center Location3
-3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
18400 N
C1 - Dynamic Radial Rating (1 million revolutions)5
70900 N
C0 - Static Radial Rating
74700 N
C6
11800 N
Factors
K - Factor7
1.56
e - ISO Factor8
0.37
Y - ISO Factor9
1.6
G1 - Heat Generation Factor (Roller-Raceway)
22.5
G2 - Heat Generation Factor (Rib-Roller End)
14.3
Cg - Geometry Factor10
0.0712
