NTN BNT215
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
18300 RPM
Limiting Speed - Grease
9200 RPM
Configuration
One
Factor
9.7
Static Load Rating
43000 N
Dynamic Load Rating
60500 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
75.000 mm
D
130.000 mm
B
25.000 mm
d1
93.000 mm
d2
85.500 mm
D1
114.500 mm
r
1.500 mm
r1
1.000 mm
Contact Angle
15 º
a
26.600 mm
da min
83.500 mm
db min
80.500 mm
Da max
121.500 mm
ras max
1.500 mm
r1as max
1.000 mm
Double Row Width
50.000 mm
Triple Row Width
75.000 mm
Quadruple Row Width
100.000 mm
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