Timken 34300 – 34478-B
Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
34300 – 34478-B
Specifications
Series
34000
Cone Part Number
34300
Cup Part Number
34478-B
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
76.2 mm
D - Cup Outer Diameter
121.442 mm
D1 - Flange Outer Diameter
126.106 mm
B - Cone Width
23.012 mm
C - Cup Width
17.463 mm
C1 - Cup Flange Width
4.763 mm
T1 - Bearing Width to Flange
11.908 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
2 mm
r - Cup Backface "To Clear" Radius2
1.5 mm
da - Cone Frontface Backing Diameter
83 mm
db - Cone Backface Backing Diameter
86 mm
Da - Cup Frontface Backing Diameter
118.11 mm
Ab - Cage-Cone Frontface Clearance
2.5 mm
Aa - Cage-Cone Backface Clearance
2.3 mm
a - Effective Center Location3
1.5 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
26500 N
C1 - Dynamic Radial Rating (1 million revolutions)5
102000 N
C0 - Static Radial Rating
136000 N
C6
20500 N
Factors
K - Factor7
1.3
e - ISO Factor8
0.45
Y - ISO Factor9
1.33
G1 - Heat Generation Factor (Roller-Raceway)
69.3
G2 - Heat Generation Factor (Rib-Roller End)
27
Cg - Geometry Factor10
0.109
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34300 – 34478-B
