NTN 7011DB/GNP4
Duplex Angular Contact Ball Bearings
(BRAND)：NTN
(Availability)：In Stock
Technical Specifications
Type
Angular Contact Ball Bearing
Bore Type
Round
Material
High Carbon Chrome Steel
Cage Type
High Strength, 2 piece, Machined
Cage Material
Brass
Ball Material
Steel
Limiting Speed - Oil
12960 RPM
Limiting Speed - Grease
9520 RPM
Precision
ISO Class 4
Configuration
Two
Preload
Normal
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
55.000 mm
D
90.000 mm
B
18.000 mm
2B
36.000 mm
d1
66.900 mm
d2
64.300 mm
D1
78.100 mm
D2
83.500 mm
r
1.100 mm
r1
0.600 mm
Contact Angle
30 º
da min
62.000 mm
Da max
83.000 mm
Db max
85.500 mm
ras max
1.000 mm
r1as max
0.600 mm
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