NTN BNT202UP
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
47000 RPM
Limiting Speed - Grease
3500 RPM
Precision
Special Precision
Configuration
One
Factor
8.5
Static Load Rating
2970 N
Dynamic Load Rating
6850 N
Enclosure
Open
Weight
0.042 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
15.000 mm
D
35.000 mm
B
11.000 mm
d1
20.800 mm
d2
18.400 mm
D1
30.500 mm
r
0.600 mm
r1
0.300 mm
Contact Angle
15 º
a
9.000 mm
da min
19.500 mm
db min
17.500 mm
Da max
29.400 mm
ras max
0.600 mm
r1as max
0.300 mm
Double Row Width
22.000 mm
Triple Row Width
33.000 mm
Quadruple Row Width
44.000 mm
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