NTN BNT210
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
27500 RPM
Limiting Speed - Grease
13900 RPM
Configuration
One
Factor
9.5
Static Load Rating
20800 N
Dynamic Load Rating
32500 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
50.000 mm
D
90.000 mm
B
20.000 mm
d1
62.200 mm
d2
56.800 mm
D1
78.000 mm
r
1.100 mm
r1
0.600 mm
Contact Angle
15 º
a
19.500 mm
da min
57.000 mm
db min
54.500 mm
Da max
83.000 mm
ras max
1.000 mm
r1as max
0.600 mm
Double Row Width
40.000 mm
Triple Row Width
60.000 mm
Quadruple Row Width
80.000 mm
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