Timken NA48385 – 48320D
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Detailed data of
NA48385 – 48320D
Specifications
Cone Part Number
NA48385
Cup Part Number
48320D
Related Assembly Number(s)
NA48385-90101
Design Unit
Inch
Dimensions
d - Bore
133.350 mm
D - Cup Outer Diameter
190.5 mm
T - Bearing Width across Cones
85.725 mm
C - Double Cup Width
73.025 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.5 mm
r - Cup Backface "To Clear" Radius2
0.8 mm
db - Cone Backface Backing Diameter
148 mm
Da - Cup Frontface Backing Diameter
184.90 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
73300 N
C1 - Dynamic Radial Rating (1 million revolutions)4
492000 N
C5
40300 N
C906
128000 N
Factors
K - Factor7
1.82
e - ISO Factor8
0.32
Y1 - ISO Factor9
2.1
Y2 - ISO Factor10
3.13
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