NTN BNT004P4V1
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
68300 RPM
Limiting Speed - Grease
34300 RPM
Precision
ISO Class 4
Configuration
One
Factor
9.2
Static Load Rating
3950 N
Dynamic Load Rating
8000 N
Enclosure
Open
Weight
0.066 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
20.000 mm
D
42.000 mm
B
12.000 mm
d1
27.400 mm
d2
24.900 mm
r
0.600 mm
r1
0.300 mm
Contact Angle
15 º
a
10.000 mm
da min
24.500 mm
db min
22.500 mm
Da max
37.500 mm
ras max
0.600 mm
r1as max
0.300 mm
Double Row Width
24.000 mm
Triple Row Width
36.000 mm
Quadruple Row Width
48.000 mm
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