NTN 22228EMKD1 bearings
22228EMKD1, NTN spherical roller bearing, tapered bore
- Measurement system
- Metric
- Bore diameter
- 140.000 mm
- Outside diameter
- 250.000 mm
- Width
- 68.000 mm
- Cr
- 912000 N
- C0r
- 1010000 N
- Limiting speed
- 2500 r/min
- Net weight
- 14.2 kg
- Number of rows
- 2
- Sealing
- Without
- Cage
- Machined brass
- Bore type
- Tapered
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
- Internal clearance
- CN
- Relubrication feature
- With
In stock
Technical specification for NTN 22228EMKD1
| Bearing number | 22228EMKD1 | |
|---|---|---|
| Brand | NTN | |
| Type | Spherical roller bearings Tapered bore have an outer ring oil inlets and oil grooves | |
| d | 140 mm | Boundary dimensions |
| D | 250 mm | |
| B | 68 mm | |
| rs min. | 3 mm | |
| Wo | 14 mm | |
| do | 7 mm | |
| Cr | 912 kN | Basic dynamic load rating |
| C0r | 1010 kN | Basic static load rating |
| Cu | 65.8 kN | Fatigue load limit |
| Allowable speed | 2000 min-1 | Grease lubrication |
| 2500 min-1 | Oil lubrication | |
| d1 | 163 mm | Installation-related dimensions |
| da min. | 154 mm | |
| Da max. | 236 mm | |
| D1 | 224 mm | |
| ras max. | 3 mm | |
| e | 0.25 | Constant |
| Y1 | 2.74 | Axial load factors |
| Y2 | 4.08 | |
| Y0 | 2.68 | |
| Mass | 14.2 kg | (approx.) |
NTN 22228EMKD1 spherical roller bearing consist of an outer ring having a continuous spherical raceway and two rows of barrel-shaped rollers guided by an inner ring with two raceways. 22228EMKD1 has self-aligning properties, and therefore is suited for use where misalignment between the inner and outer rings occurs from housing installation error or shaft bending.
NTN 22228EMKD1 bearings have outer ring oil inlets and oil grooves. The allowable speed specified in the bearing dimension table is the limit for heat dissipation and satisfactory lubrication conditions before 22228EMKD1 bearing is adversely affected.
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