RKB NNU4988M P6 ZB W33
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Specifications
| Brand | RKB |
| Item Number | NNU4988M P6 ZB W33 RKB |
| Category | Cylindrical Roller Bearing Double Row |
| Inner (d) MM | 440 |
| Outer (D) MM | 600 |
| Width (B) MM | 160 |
| Inner (d) Inch | 17.3228 |
| Outer (D) Inch | 23.622 |
| Width (B) Inch | 6.2992 |
| Weight (kg) | 140 kg |
| Bore | C - Cylindrical Bore |
| Seal | No Seal |
| Cage Type | M - Brass Cage |
| External Modification | W33 |
| Radial Internal Play | Cn Normal Internal Play |
| Precision | P6 Precision (Higher than Standard) |
| Heat Stabilization | No Heat Stabilization - Temperatures up to 120 °C |
| M | Machined Brass Cage, Located On The Rolling Elements |
| P6 | Dimensional And Running Accuracy To ISO Tolerance Class 6 (Better Than Normal) |
| ZB | Optimized Roller Profile |
| W33 | Lubrication Groove And Three Holes In Bearing Outer Ring |
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