Timken NA691A – 672D
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
NA691A – 672D
Specifications
Cone Part Number
NA691A
Cup Part Number
672D
Design Unit
Inch
Dimensions
d - Bore
100 mm
D - Cup Outer Diameter
168.275 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
119 mm
Da - Cup Frontface Backing Diameter
160.02 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
68600 N
C1 - Dynamic Radial Rating (1 million revolutions)4
461000 N
C5
55300 N
C906
119000 N
Factors
K - Factor7
1.24
e - ISO Factor8
0.47
Y1 - ISO Factor9
1.43
Y2 - ISO Factor10
2.14
Similar to product
NA691A – 672D
