Timken NA861 – 854D
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
NA861 – 854D
Specifications
Cone Part Number
NA861
Cup Part Number
854D
Related Assembly Number(s)
NA861-90031
Design Unit
Inch
Dimensions
d - Bore
101.600 mm
D - Cup Outer Diameter
190.5 mm
T - Bearing Width across Cones
127 mm
C - Double Cup Width
101.600 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.5 mm
r - Cup Backface "To Clear" Radius2
1.5 mm
db - Cone Backface Backing Diameter
120 mm
Da - Cup Frontface Backing Diameter
174.24 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
119000 N
C1 - Dynamic Radial Rating (1 million revolutions)4
797000 N
C5
68000 N
C906
207000 N
Factors
K - Factor7
1.74
e - ISO Factor8
0.33
Y1 - ISO Factor9
2.02
Y2 - ISO Factor10
3
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