NTN F04NN002870
High-precision NTN spindle bearing for stable, high-speed machine tool operation.
| Brand | NTN |
| Model | F04NN002870 |
| Voltage | Not applicable |
| Country of Origin | Japan |
| Weight | 0.08 kg |
| Dimensions | 20x42x16 mm |
| Warranty | 6 months |
| Certifications | ISO 9001, JIS, RoHS |
| SKU / MPN | F04NN002870 |
| What’s in the box | 1 spindle bearing, protective packaging, installation notes |
| Bearing Type | Cylindrical roller spindle bearing |
| Precision Class | ABEC-7 / ISO P5 |
| Bore Diameter | 20 mm |
| Outside Diameter | 42 mm |
| Width | 16 mm |
| Limiting Speed | 34,000 rpm grease lubricated |
Key benefits: High rigidity, low friction, stable high-speed performance, long service life, precision fit
Typical applications: CNC machine tool spindles, grinding spindles, high-speed rotary axes, precision assembly equipment
Lifecycle: New product, active catalog item, long-term spare availability










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