NTN BNT907
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
42400 RPM
Limiting Speed - Grease
21000 RPM
Configuration
One
Factor
10.1
Static Load Rating
6300 N
Dynamic Load Rating
10100 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
35.000 mm
D
55.000 mm
B
10.000 mm
d1
41.200 mm
d2
38.500 mm
D1
48.800 mm
r
0.600 mm
r1
0.300 mm
Contact Angle
15 º
a
11.100 mm
da min
39.500 mm
db min
37.500 mm
Da max
50.500 mm
ras max
0.600 mm
r1as max
0.300 mm
Double Row Width
20.000 mm
Triple Row Width
30.000 mm
Quadruple Row Width
40.000 mm
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