NTN BNT006/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
50000 RPM
Limiting Speed - Grease
25100 RPM
Precision
ISO Class 4
Configuration
One
Preload
Normal
Factor
9.8
Static Load Rating
6750 N
Dynamic Load Rating
11600 N
Enclosure
Open
Weight
0.111 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
30.000 mm
D
55.000 mm
B
13.000 mm
d1
38.400 mm
d2
35.500 mm
D1
47.800 mm
r
1.000 mm
r1
0.600 mm
Contact Angle
15 º
a
12.500 mm
da min
35.500 mm
db min
34.500 mm
Da max
49.500 mm
ras max
1.000 mm
r1as max
0.600 mm
Double Row Width
26.000 mm
Triple Row Width
39.000 mm
Quadruple Row Width
52.000 mm
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