NTN NAO-50X78X20
Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring
(BRAND)：NTN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Technical Specifications
Type
Machined-Ring Needle Roller Bearing - Separable Type
Bore Type
Round
Material
High Carbon Chrome Steel
Cage Material
Steel
Limiting Speed - Oil
6500 RPM
Limiting Speed - Grease
4400 RPM
Precision
ISO Class 0
Configuration
One
Enclosure
Open
Bearing Design
w/ Inner Ring
Oil Hole
w/ Oil Hole
Radial Internal Clearance
CN
Static Load Rating
75000 N
Dynamic Load Rating
40000 N
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
50.000 mm
D
78.000 mm
F
60.000 mm
E
68.000 mm
C
20.000 mm
r
1.000 mm
da min
55.000 mm
Da max
73.000 mm
db min
67.200 mm
Db max
60.800 mm
ras max
1.000 mm
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