NJ5218 Single‑Row Cylindrical Roller Bearing 90*160*52.4mm Brass Cage For Industrial Gearbox Heavy‑Duty Transmission Machinery
NJ5218 is an open‑style single‑row cylindrical roller bearing fitted with sturdy brass cage and manufactured from premium GCr15 bearing‑steel. Its rib‑structured inner ring bears heavy radial loads and one‑direction axial force, separable rings bring convenient installation and maintenance, and multiple precision‑grade selections make it well‑suited for industrial gearboxes, conveyor shafts and heavy‑duty transmission equipment.
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| Parameter | Specifiion |
|---|---|
| Bearing Model | NJ5218 |
| Number of row | Single Row |
| Inner diameter | 90 mm |
| Outer diameter | 160 mm |
| Total Width | 52.4 mm |
| Cage Material | Brass cage |
| Material | GCr15 Chrome Bearing Steel |
| Precision rating | P0/P6/P5 |
| Seals type | Open |
| Net Weight | 5.0 kg |
| Dynamic Load Rating | 338000 N |
| Static Load Rating | 365000 N |
| Reference Rotational Speed(Grease) | 2600 r/min |
| Limiting Rotational Speed(Oil) | 3500 r/min |
| Allowable Load | Heavy radial load plus one‑way axial load |
- Single‑row roller construction for outstanding heavy‑duty radial bearing capacity
- Solid brass roller cage stabilizes rolling elements, cuts friction and resists high‑speed abrasion
- One‑sided inner‑ring rib accepts reliable unidirectional axial load
- Hardened GCr15 bearing‑steel grants strong wear‑resistance and long‑term service life
- Detachable inner and outer ring structure simplifies mounting, disassembly and shaft alignment
- Industrial speed‑reduction gearbox and transmission shaft assemblies
- Mining machinery, heavy‑duty conveyor and metallurgical processing equipment
- Construction machinery drive shafts and engineering‑device rotary components
- Motor main shafts, textile machinery and large‑size fan rotary parts
- General‑purpose heavy‑load industrial rotating machinery
*Check matched bearing models to complete your mechanical assembly.
- 30 years professional bearing industry experience
- ISO certified strict quality inspection
- Flexible OEM & private label customization
- 3-5 days fast delivery for stocked bearings
- Full bearing series, universal interchangeable size
- Factory direct price & reliable after-sales service
*Contact us anytime for technical parameter consultation & selection guidance.
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