INA KW Series
Manufacturer: INA / Schaeffler
Accuracy: G1, G2, G3
Preload: V0 (Light) / V1 (Medium) / V2 (Heavy)
Structure: 4-row recirculating ball / Full interchangeability
Rail Size: 15mm – 65mm
Application: CNC machines, robot gantries, pick-and-place, semiconductor
WhatsApp: +86 18663551233
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The INA KW Series linear recirculating ball bearing and guideway assemblies offer high load capacity with four rows of recirculating balls arranged in a 45-degree O-arrangement. Full interchangeability between linear carriages and guide rails simplifies inventory management. Available with multiple accuracy grades for precision applications. Suitable for CNC machining centers, industrial robot gantry axes, pick-and-place automation, and semiconductor wafer handling systems requiring smooth, accurate linear motion.
Technical Specifications
| Bearing No. | Bore (d) mm | Outer Dia. (D) mm | Width (B) mm | Dyn. Load Cr (kN) | Stat. Load Cor (kN) | Ref. Speed (rpm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| KW07 | 7 | 17 | 12 | 3.8 | 6.0 | 0 | 0.02 |
| KW10 | 10 | 20 | 15 | 6.5 | 9.5 | 0 | 0.04 |
| KW12 | 12 | 27 | 18 | 9.8 | 14.5 | 0 | 0.08 |
| KW14 | 14 | 30 | 20 | 11.5 | 18.0 | 0 | 0.12 |
| KW16 | 16 | 32 | 24 | 16.5 | 25.0 | 0 | 0.18 |
| KW20 | 20 | 40 | 28 | 22.0 | 35.0 | 0 | 0.32 |
| KW25 | 25 | 48 | 36 | 35.0 | 55.0 | 0 | 0.6 |
