NTN BNT208DB/GLP4
Double 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
17000 RPM
Limiting Speed - Grease
13000 RPM
Seal Type
None
Seal Material
None
Precision
ISO Class 4
Configuration
Two
Preload
Light
Static Load Rating
33000 N
Dynamic Load Rating
45000 N
Enclosure
Open
Weight of Single Row Bearing
0.368 kg
Weight
0.736 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
40.000 mm
D
80.000 mm
B
18.000 mm
2B
36.000 mm
d1
53.000 mm
d2
47.700 mm
D1
67.000 mm
r
1.100 mm
r1
0.600 mm
Contact Angle
15 º
da min
47.000 mm
Da max
73.000 mm
ras max
1.000 mm
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