NTN BNT910
Single Angular Contact Ball Bearings for Motors and Lathes
(BRAND)：NTN
(Availability)：In Stock
Technical Specifications
Type
Main Spindle Bearing
Bore Type
Round
Material
High Carbon Chrome Steel
Cage Type
Machined
Cage Material
Phenolic Resin
Ball Material
Steel
Limiting Speed - Oil
31300 RPM
Limiting Speed - Grease
15500 RPM
Configuration
One
Factor
10.5
Static Load Rating
10300 N
Dynamic Load Rating
14000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
50.000 mm
D
72.000 mm
B
12.000 mm
d1
56.600 mm
d2
53.600 mm
D1
65.400 mm
r
0.600 mm
r1
0.300 mm
Contact Angle
15 º
a
14.200 mm
da min
54.500 mm
db min
52.500 mm
Da max
67.500 mm
ras max
0.600 mm
r1as max
0.300 mm
Double Row Width
24.000 mm
Triple Row Width
36.000 mm
Quadruple Row Width
48.000 mm
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