NTN BNT012
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
24700 RPM
Limiting Speed - Grease
12300 RPM
Configuration
One
Factor
10.3
Static Load Rating
20000 N
Dynamic Load Rating
26800 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
60.000 mm
D
95.000 mm
B
18.000 mm
d1
71.100 mm
d2
66.800 mm
D1
84.100 mm
r
1.100 mm
r1
0.600 mm
Contact Angle
15 º
a
19.500 mm
da min
67.000 mm
db min
64.500 mm
Da max
88.000 mm
ras max
1.000 mm
r1as max
0.600 mm
Double Row Width
36.000 mm
Triple Row Width
54.000 mm
Quadruple Row Width
72.000 mm
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