Series NP ball bearing, Polyamide 6 with injected polyurethane tread
Technical Specifications
- Tread: injected polyurethane (58 Shore D)
- Wheel centre: high-quality thermoplastic core (polyamide 6)
- Temperature range: -20°C to +80°C.
Characteristics
The rollers with an injection-moulded nylon PA6 wheel centre in natural white with mechanically locked injection-moulded brown polyurethane tread, hardness 58 Shore D. The rollers are highly resistant to many aggressive substances. The tread is restricted resistant to water vapour and hot water. The material aims at attaining a balance with the ambient environment, so at extreme wet conditions one has to deal with small variations in dimension thanks to humidity absorption. The double shielded ball bearings are lubricated with durable grease.
The rollers are shock- and wear resistant, non-marking, vibration absorbing and have low rolling resistance. Under normal operating conditions they are maintenance free. A hygienic roller with fine rolling characteristics with high load capacity at heavy loads. At operating temperatures higher than +40°C the indicated load capacities will decrease.
For standard transport applications on less smooth floors, where some higher requirements are made to rolling comfort and low rolling resistance.
Other sizes on request.
Also available without ball bearing (with bearing seats), spray water-tight protection and/or stainless steel ball bearings.
V = Outer faces bearings distance

Product variants
| Article number | Datasheet | Drawing | Request | ||||
|---|---|---|---|---|---|---|---|
| 20x47x14 | 47x14 | 82x70 | 500 | 9947 | |||
| 20x47x14 | 47x16 | 82x70 | 500 | 9948 | |||
| 20x47x14 | 47x18 | 82x70 | 500 | 9949 | |||
| 20x47x14 | 47x16 | 82x100 | 850 | 9955 | |||
| 20x47x14 | 47x14 | 85x90 | 750 | 9965 | |||
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| Symbol | Definition |
|---|---|
| Ball bearing size | |
| Bearing seat | |
| Diameter x width | |
| Load capacity 4 km/h |
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