NSK 21308EAKE4 bearings
21308EAKE4, NSK, Spherical roller bearing with tapered bore
- Measurement system
- Metric
- Bore diameter
- 40.000 mm
- Outside diameter
- 90.000 mm
- Width
- 23.000 mm
- Cr
- 118000 N
- C0r
- 111000 N
- Limiting speed
- 7500 r/min
- Net weight
- 0.73 kg
- Number of rows
- 2
- Sealing
- Without
- Locating feature
- Without
- Cage
- Steel sheet metal
- Bore type
- Tapered
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
- Internal clearance
- CN
- Lubricant in bearing
- None
- Relubrication feature
- With
In stock
Technical specification for NSK 21308EAKE4
| NSK Designation | 21308EAKE4 | |
|---|---|---|
| Boundary Dimensions | ||
| d | 40 mm | Bore diameter |
| D | 90 mm | Outside diameter |
| B | 23 mm | Width |
| r (min.) | 1.5 mm | Chamfer dimension |
| Basic Load Ratings | ||
| Cr | 118000 N | Basic dynamic load rating |
| C0r | 111000 N | Basic static load rating |
| Speeds | ||
| Thermal Speed Rating (Oil-bath) | 6700 r/min | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Grease | 6000 r/min | Grease lubrication |
| Oil (Oil-bath) | 7500 r/min | Oil-bath lubrication |
| Abutment and Fillet Dimensions | ||
| da min. | 49 mm | Diameter of shaft abutment |
| da max. | 55 mm | Diameter of shaft abutment |
| Da min. | 75 mm | Diameter of housing abutment |
| Da max. | 81 mm | Diameter of housing abutment |
| ra max. | 1.5 mm | Radius of shaft or housing fillet |
| Calculation factors | ||
| e | 0.25 | Constant |
| Y2 | 3.9 | Axial load Factors |
| Y3 | 2.7 | Axial load Factors |
| Y0 | 2.6 | Axial load Factors |
| Mass | ||
| Mass (approx.) | 0.73 kg | |
NSK 21308EAKE4 spherical roller bearing is designed for high load capacity. 21308EAKE4 bearing have machined brass cage, and the inner ring is tapered bore 1:12. An oil groove and holes are privided in the outer ring so supply lubricant. Boundary dimensions: 40 x 90 x 23 mm.
- Log in to post comments
Related products
NSK 21308EAE4
Brand: NSK
21308EAE4, NSK, Spherical roller bearings
SKF 21308 E
Brand: SKF
21308 E Spherical roller bearings, Popular item, SKF Explorer
FAG 21308-E1-XL
Brand: FAG
FAG, Spherical roller bearings 213..-E1