NTN BNT905
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
60000 RPM
Limiting Speed - Grease
29700 RPM
Configuration
One
Factor
10.1
Static Load Rating
3550 N
Dynamic Load Rating
6000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
25.000 mm
D
42.000 mm
B
9.000 mm
d1
30.500 mm
d2
28.500 mm
D1
36.500 mm
r
0.300 mm
r1
0.150 mm
Contact Angle
15 º
a
9.000 mm
da min
27.500 mm
db min
26.500 mm
Da max
39.500 mm
ras max
0.300 mm
r1as max
0.150 mm
Double Row Width
18.000 mm
Triple Row Width
27.000 mm
Quadruple Row Width
36.000 mm
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