NTN BNT901
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
111700 RPM
Limiting Speed - Grease
55300 RPM
Configuration
One
Factor
9.6
Static Load Rating
1220 N
Dynamic Load Rating
2570 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
12.000 mm
D
24.000 mm
B
6.000 mm
d1
16.000 mm
d2
14.700 mm
D1
20.000 mm
r
0.300 mm
r1
0.150 mm
Contact Angle
15 º
a
5.400 mm
da min
14.200 mm
db min
13.200 mm
Da max
22.000 mm
ras max
0.300 mm
r1as max
0.150 mm
Double Row Width
12.000 mm
Triple Row Width
18.000 mm
Quadruple Row Width
24.000 mm
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