NTN 31311A
Tapered Roller Set - Metric Series
(BRAND)：NTN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Technical Specifications
Type
Tapered Roller Bearing
Bore Type
Round
Material
Through Hardened Steel
Style
Cone & Cup
Precision Rating
Class 0
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.83
Y2 (Axial Load Factor)
0.73
Y0 (Axial Load Factor)
0.40
Static Load Rating
142000 N
Dynamic Load Rating
128000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
55.000 mm
D
120.000 mm
C
21.000 mm
B
29.000 mm
T
31.500 mm
r
2.000 mm
R
2.5 mm
da
75.0 mm
db
68.0 mm
Da
110.0 mm
Da min
93.0 mm
Db
114.0 mm
