NSK 21315EAKE4 bearings
21315EAKE4, NSK, Spherical roller bearing with tapered bore
- Measurement system
- Metric
- Bore diameter
- 75.000 mm
- Outside diameter
- 160.000 mm
- Width
- 37.000 mm
- Cr
- 310000 N
- C0r
- 325000 N
- Limiting speed
- 4000 r/min
- Net weight
- 3.64 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 21315EAKE4
| NSK Designation | 21315EAKE4 | |
|---|---|---|
| Boundary Dimensions | ||
| d | 75 mm | Bore diameter |
| D | 160 mm | Outside diameter |
| B | 37 mm | Width |
| r (min.) | 2.1 mm | Chamfer dimension |
| Basic Load Ratings | ||
| Cr | 310000 N | Basic dynamic load rating |
| C0r | 325000 N | Basic static load rating |
| Speeds | ||
| Thermal Speed Rating (Oil-bath) | 4000 r/min | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Grease | 3200 r/min | Grease lubrication |
| Oil (Oil-bath) | 4000 r/min | Oil-bath lubrication |
| Abutment and Fillet Dimensions | ||
| da min. | 87 mm | Diameter of shaft abutment |
| da max. | 101 mm | Diameter of shaft abutment |
| Da min. | 134 mm | Diameter of housing abutment |
| Da max. | 148 mm | Diameter of housing abutment |
| ra max. | 2 mm | Radius of shaft or housing fillet |
| Calculation factors | ||
| e | 0.22 | Constant |
| Y2 | 4.6 | Axial load Factors |
| Y3 | 3.1 | Axial load Factors |
| Y0 | 3 | Axial load Factors |
| Mass | ||
| Mass (approx.) | 3.64 kg | |
NSK 21315EAKE4 spherical roller bearing is designed for high load capacity. 21315EAKE4 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: 75 x 160 x 37 mm.
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