Timken NA48990SW – 48920D
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
NA48990SW – 48920D
Specifications
Cone Part Number
NA48990SW
Cup Part Number
48920D
Design Unit
Inch
Dimensions
d - Bore
152.400 mm
D - Cup Outer Diameter
211.138 mm
T - Bearing Width across Cones
92.075 mm
C - Double Cup Width
69.85 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
168 mm
Da - Cup Frontface Backing Diameter
204.00 mm
Basic Load Ratings
C1 - Dynamic Radial Rating (1 million revolutions)3
508000 N
C4
46200 N
C905
132000 N
Factors
K - Factor6
1.64
e - ISO Factor7
0.36
Y1 - ISO Factor8
1.89
Y2 - ISO Factor9
2.82
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