NTN BNT207
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
36000 RPM
Limiting Speed - Grease
18100 RPM
Configuration
One
Factor
9.1
Static Load Rating
13100 N
Dynamic Load Rating
23200 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
35.000 mm
D
72.000 mm
B
17.000 mm
d1
46.800 mm
d2
42.000 mm
D1
60.600 mm
r
1.100 mm
r1
0.600 mm
Contact Angle
15 º
a
15.500 mm
da min
42.000 mm
db min
39.500 mm
Da max
65.000 mm
ras max
1.000 mm
r1as max
0.600 mm
Double Row Width
34.000 mm
Triple Row Width
51.000 mm
Quadruple Row Width
68.000 mm
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