NTN BNT902
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
93500 RPM
Limiting Speed - Grease
46300 RPM
Configuration
One
Factor
9.5
Static Load Rating
1750 N
Dynamic Load Rating
3700 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
15.000 mm
D
28.000 mm
B
7.000 mm
d1
19.000 mm
d2
17.400 mm
D1
24.000 mm
r
0.300 mm
r1
0.150 mm
Contact Angle
15 º
a
6.400 mm
da min
17.200 mm
db min
16.200 mm
Da max
26.000 mm
ras max
0.300 mm
r1as max
0.150 mm
Double Row Width
14.000 mm
Triple Row Width
21.000 mm
Quadruple Row Width
28.000 mm
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