NTN BNT010/GNP4
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
30000 RPM
Limiting Speed - Grease
15000 RPM
Precision
ISO Class 4
Configuration
One
Preload
Normal
Factor
10.2
Static Load Rating
14300 N
Dynamic Load Rating
19900 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
50.000 mm
D
80.000 mm
B
16.000 mm
d1
59.600 mm
d2
55.900 mm
D1
70.200 mm
r
1.000 mm
r1
0.600 mm
Contact Angle
15 º
a
16.800 mm
da min
55.500 mm
db min
54.500 mm
Da max
74.500 mm
ras max
1.000 mm
r1as max
0.600 mm
Double Row Width
32.000 mm
Triple Row Width
48.000 mm
Quadruple Row Width
64.000 mm
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