VL2071 Cylindrical Roller Insulated
Insulation Resistance: >200 MΩ (1000 VDC)
Voltage Rating: Up to 2000V DC
Material: Bearing Steel (Gcr15) + Al2O3 Coating
Precision: P0, P6, P5
Structure: Open / Shielded
Bore Range: 40mm – 240mm
Application: High-voltage traction motor gearboxes, wind turbine main shafts, steel mill drives
WhatsApp: +86 18663551233
Get a Quote
VL2071 insulated cylindrical roller bearings provide enhanced electrical protection for high-voltage applications up to 2000V DC with insulation resistance above 200 MΩ. The combination of high radial load ratings and superior insulation makes these bearings ideal for main shaft support in wind turbines, rolling mill drives, and high-voltage traction gearboxes where both mechanical robustness and electrical isolation are critical.
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) |
|---|---|---|---|---|---|---|---|
| NU2205 | 25 | 52 | 18 | 34.50 | 32.00 | 12000 | 0.175 |
| NU2206 | 30 | 62 | 20 | 49.00 | 49.00 | 10000 | 0.281 |
| NU2207 | 35 | 72 | 23 | 63.00 | 64.00 | 9000 | 0.385 |
| NU2208 | 40 | 80 | 23 | 72.00 | 77.00 | 8000 | 0.530 |
| NU2209 | 45 | 85 | 23 | 76.00 | 84.00 | 7500 | 0.572 |
| NU2210 | 50 | 90 | 23 | 81.00 | 91.00 | 7000 | 0.624 |
| NU2211 | 55 | 100 | 25 | 102.00 | 118.00 | 6300 | 0.842 |
| NU2212 | 60 | 110 | 28 | 130.00 | 153.00 | 5600 | 1.144 |
| NU2213 | 65 | 120 | 31 | 154.00 | 186.00 | 5000 | 1.508 |
| NU2214 | 70 | 125 | 31 | 162.00 | 200.00 | 4800 | 1.591 |
| NU2215 | 75 | 130 | 31 | 170.00 | 215.00 | 4500 | 1.716 |
