Timken 34301 – 34478 (Y4S-34478)
Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
34301 – 34478 (Y4S-34478)
Specifications
Cone Part Number
34301
Cup Part Number
34478
Related Assembly Number(s)
34301-90067
Outer Spacer Part Number
Y4S-34478
Design Unit
Inch
Dimensions
d - Bore
76.2 mm
D - Cup Outer Diameter
121.442 mm
T - Width
49.215 mm
B - Width
46.024 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
0.50 mm
r - Cup Backface "To Clear" Radius2
2.03 mm
db - Cone Backface Backing Diameter
89 mm
Da - Cup Frontface Backing Diameter
116.10 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
26500 N
C1 - Dynamic Radial Rating (1 million revolutions)4
178000 N
C5
20500 N
C906
46100 N
Factors
K - Factor7
1.3
e - ISO Factor8
0.45
Y1 - ISO Factor9
1.5
Y2 - ISO Factor10
2.23
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34301 – 34478 (Y4S-34478)
