NTN 7311
Single Angular Contact Ball Bearings
(BRAND)：NTN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Technical Specifications
Type
Angular Contact Ball Bearing
Bore Type
Round
Material
High Carbon Chrome Steel
Cage Type
Pressed
Cage Material
Steel
Ball Material
Steel
Limiting Speed - Oil
8600 RPM
Limiting Speed - Grease
6400 RPM
Precision
ISO Class 0
Configuration
One
Static Load Rating
61500 N
Dynamic Load Rating
86000 N
Enclosure
Open
Weight
1.406 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
55.000 mm
D
120.000 mm
B
29.000 mm
r
2.000 mm
r1
1.000 mm
Contact Angle
30 º
a (Load Center)
40.000 mm
da min
65.000 mm
db min
60.500 mm
Da max
110.000 mm
Db max
114.500 mm
ras max
2.000 mm
r1as max
1.000 mm
Double Row Width
58.000 mm
Triple Row Width
87.000 mm
Quadruple Row Width
116.000 mm
