P0 P06 P5 P3 Quality LEVEL 20*52*15mm NJ304 NJ304ET2XU NJ304ET2XUP2RS CHROME STEEL Taper Roller Bearing
NJ304 NJ304ET2XU NJ304ET2XUP2RS P4 P0 P1 P5 P6 P3 Quality LEVEL CHROME STEEL Taper Roller Bearing
Product introduction
NJ304ET2XU roller bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and one on the inner ring, NJ design bearings can accommodate axial displacement in one direction. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.(Factory prices, welcome to buy)
- High radial load carrying capacity
- Long service life
- Locate the shaft axially in one direction
- Separable design
Dimensions
| d |
20 mm
|
Bore diameter |
|---|---|---|
| D |
52 mm
|
Outside diameter |
| B |
15 mm
|
Width |
| d1 |
≈31.2 mm
|
Shoulder diameter of inner ring |
| D1 |
≈41.85 mm
|
Shoulder diameter of outer ring |
| F |
27.5 mm
|
Raceway diameter of inner ring |
| r1,2 |
min.1.1 mm
|
Chamfer dimension |
| r3,4 |
min.0.6 mm
|
Chamfer dimension |
| s |
max.0.9 mm
|
Permissible axial displacement |
Abutment dimensions
| da |
min.26.1 mm
|
Diameter of spacer sleeve |
|---|---|---|
| da |
max.26.2 mm
|
Diameter of spacer sleeve |
| db |
min.33 mm
|
Diameter of shaft abutment |
| Da |
max.45.4 mm
|
Diameter of housing abutment |
| ra |
max.1 mm
|
Radius of fillet |
Calculation data
| Basic dynamic load rating | C |
35.5 kN
|
|---|---|---|
| Basic static load rating | C0 |
26 kN
|
| Fatigue load limit | Pu |
3.25 kN
|
| Reference speed |
15 000 r/min
|
|
| Limiting speed |
18 000 r/min
|
|
| Minimum load factor | kr |
0.15
|
| Limiting value | e |
0.2
|
| Calculation factor | Y |
0.6
|
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