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KO 22300 Series Bearing Cross-Reference Review
22300 series bearings often work in shock-loaded, vibrating, contaminated, or high-load equipment. A replacement check therefore needs the complete suffix and operating duty in addition to model and boundary dimensions.
22300 Series Models in This Reference Set
These values support the first comparison. They do not establish interchangeability: the complete suffix, bore, clearance, cage, lubrication feature, fits, loads, speed, and operating environment still need confirmation.
| Model | Design | d mm | D mm | B mm | C kN | C0 kN | Grease rpm | Oil rpm | Mass kg |
|---|---|---|---|---|---|---|---|---|---|
| 22315 | EJ | 75 | 160 | 55 | 450 | 478 | 3,400 | 4,000 | 5.2 |
| 22315 | EM | 75 | 160 | 55 | 450 | 478 | 3,400 | 4,000 | 5.4 |
| 22318 | EJ | 90 | 190 | 64 | 606 | 659 | 2,900 | 3,400 | 8.3 |
| 22318 | EM | 90 | 190 | 64 | 606 | 659 | 2,900 | 3,400 | 8.8 |
| 22320 | EJ | 100 | 215 | 73 | 804 | 910 | 2,400 | 2,800 | 12.7 |
| 22320 | EM | 100 | 215 | 73 | 768 | 853 | 2,500 | 2,900 | 12.8 |
| 22322 | EJ | 110 | 240 | 80 | 949 | 1050 | 2,100 | 2,500 | 17.8 |
| 22322 | EM | 110 | 240 | 80 | 949 | 1050 | 2,200 | 2,500 | 17.8 |
See the full dimensions and ratings table for mounting dimensions, thermal reference speeds, and calculation factors.
Severe-Duty Checks
| Check | Information to provide | Why it changes the decision |
|---|---|---|
| Shock and vibration | Equipment type, duty cycle, peak events, current failure mode | Influences internal design, clearance, cage, fit, and inspection priorities. |
| Load and speed | Radial/axial loads, speed range, starts and stops | Needed to compare rating, heat, lubrication, and service margin. |
| Contamination | Dust, water, fines, sealing arrangement, relubrication practice | Can dominate lubrication condition and bearing life. |
| Mounting arrangement | Shaft/housing fits, shoulders, fillets, sleeve, drawings | Prevents a dimension-only replacement from creating fit or clearance errors. |
Replacement Decision Boundary
No replacement should be approved from “223xx” or d / D / B alone. Compare the full designation and selected design, then verify clearance, cage, bore, lubrication, ratings, fits, speed, temperature, shock, and contamination for the actual machine.
Request a 22300 Series Review
Send complete markings and photos together with equipment, loads, speed, temperature, lubrication, failure history, quantity, and destination.
Send Bearing Details