Cylindrical Roller Bearing NU210
- 50 Pieces
- China
- 7 days
- 200000 Pieces per Week
Long service life
Compact structure
Large inventories rich stock.
Most representative bearing of the rolling bearings
Suitable for high speed even extremely high speed
Technical specification
DIMENSIONS
d | 50 mm | |
---|---|---|
D | 90 mm | |
B | 20 mm | |
D1 | ≈ 77.4 mm | |
F | 59.5 mm | |
r1,2 | min. 1.1 mm | |
r3,4 | min. 1.1 mm | |
s | max. 1.5 mm |
ABUTMENT DIMENSIONS
da | min. 57 mm | |
---|---|---|
da | max. 57.5 mm | |
db | min. 61 mm | |
Da | max. 82.4 mm | |
ra | max. 1 mm | |
rb | max. 1 mm |
CALCULATION DATA
Basic dynamic load rating | C | 73.5 kN |
---|---|---|
Basic static load rating | C0 | 69.5 kN |
Fatigue load limit | Pu | 8.8 kN |
Reference speed | 8500 r/min | |
Limiting speed | 9000 r/min | |
Calculation factor | kr | 0.15 |
Limiting value | e | 0.2 |
Axial load factor | Y | 0.6 |
MASS
Mass bearing | 0.47 kg |
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The most common designs of single row cylindrical roller bearings are shown here.
NU type bearing
Outer ring with two integral wing, inner ring without wing
Axial displacement of the shaft in two directions relative to the housing is allowed
To position the bearing upward on the shaft, use with the appropriate corner ring (the appropriate corner ring)
N type bearing
Inner ring with two integral wing, outer ring without wing
Axial displacement of the shaft in two directions relative to the housing is allowed
This type of bearings NJ
The outer ring with two integral side guard, the inner ring with one side guard
Axial displacement is allowed only in one direction relative to the housing
Used for axial positioning in one direction
To position the bearing upward on the other axis, use with the appropriate corner ring (the appropriate corner ring)
This type of bearings NUP
The outer ring belt has two integral gears, while the inner ring belt has one integral gears and one non-integral gears, that is, a movable gears
Used for axial positioning in two directions
The imperial bearing
The CRL and CRM series SKF inch bearing design (data sheet) conforms to the metric N series.These bearings are primarily used in the aftermarket, so SKF advises against using them in new bearing configuration designs.
Proper Angle ring (thrust ring)
Used with NU bearings for axial positioning in one direction
Angular rings should not be used on either side of the NU bearing to avoid axial extrusion of the roller.
Used with NJ type bearings for axial positioning in two directions
Made of carbon chromium bearing steel
Hardened and ground
With maximum axial runout, in accordance with the general tolerance class of bearings
It is represented by the serial model HJ plus the appropriate bearing size series and size
Separate order required
The reasons for designing the Angle ring as a bearing configuration include:
There are no NJ or NUP positioning bearings in the product range.
Provide a wider inner ring for the fixed-end heavy load bearing:
The NJ bearing with the HJ Angle ring has a longer inner ring width, while the NUP bearing has a narrower inner ring width with a movable wing
Simplify the design or installation process
If we have it in stock, MOQ is 1pc. We can send it by express....more