Timken X30238 – Y30238
Tapered Roller Bearings - TS (Tapered Single) Metric
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
30238
Cone Part Number
X30238
Cup Part Number
Y30238
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
30238-90KA1
Dimensions
d - Bore
190 mm
D - Cup Outer Diameter
340 mm
B - Cone Width
55 mm
C - Cup Width
46 mm
T - Bearing Width
60.000 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
5 mm
r - Cup Backface "To Clear" Radius2
4 mm
da - Cone Frontface Backing Diameter
214.9 mm
db - Cone Backface Backing Diameter
222 mm
Da - Cup Frontface Backing Diameter
318.5 mm
Db - Cup Backface Backing Diameter
310 mm
Ab - Cage-Cone Frontface Clearance
10.7 mm
Aa - Cage-Cone Backface Clearance
3.8 mm
a - Effective Center Location3
7.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
273000 N
C1 - Dynamic Radial Rating (1 million revolutions)5
1050000 N
C0 - Static Radial Rating
1390000 N
C6
203000 N
Factors
K - Factor7
1.34
e - ISO Factor8
0.44
Y - ISO Factor9
1.38
G1 - Heat Generation Factor (Roller-Raceway)
940.6
G2 - Heat Generation Factor (Rib-Roller End)
103.1
Cg - Geometry Factor10
0.139
