Timken NA55200 – 55444D
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
NA55200 – 55444D
Specifications
Cone Part Number
NA55200
Cup Part Number
55444D
Design Unit
Inch
Dimensions
d - Bore
50.8 mm
D - Cup Outer Diameter
112.713 mm
T - Bearing Width across Cones
65.088 mm
C - Double Cup Width
46.038 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
2.300 mm
r - Cup Backface "To Clear" Radius2
1.5 mm
db - Cone Backface Backing Diameter
69 mm
Da - Cup Frontface Backing Diameter
105.40 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
27600 N
C1 - Dynamic Radial Rating (1 million revolutions)4
185000 N
C5
41700 N
C906
48000 N
Factors
K - Factor7
0.66
e - ISO Factor8
0.88
Y1 - ISO Factor9
0.76
Y2 - ISO Factor10
1.14
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