NTN BNT011
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
26400 RPM
Limiting Speed - Grease
13200 RPM
Configuration
One
Factor
10.1
Static Load Rating
18700 N
Dynamic Load Rating
26100 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
55.000 mm
D
90.000 mm
B
18.000 mm
d1
66.100 mm
d2
61.800 mm
D1
79.100 mm
r
1.100 mm
r1
0.600 mm
Contact Angle
15 º
a
18.800 mm
da min
62.000 mm
db min
59.500 mm
Da max
83.000 mm
ras max
1.000 mm
r1as max
0.600 mm
Double Row Width
36.000 mm
Triple Row Width
54.000 mm
Quadruple Row Width
72.000 mm
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