SR133X2TLWN 2.38*4.762*2.38 High Speed Dental Bearing
The performance of high-speed dental bearings: high precision, smooth operation without noise, high-temperature sterilization resistance, long service life, corrosion resistance, and strong high-speed cutting ability.
Specifications of handpiece dental bearings:
Bearing structure : One shield (normal shield)
Materials of balls:Stainless steel & Ceramic
Bearing dimensions:2.38*4.762*2.38mm,3.175*6.35*2.78mm etc.
Corrosion Resistance&High-Temperature Resistance: Withstand 120-135℃ autoclaving and oral acidic/alkaline environments.
Product Features:
High Speed Performance: Stable operation at 300,000–4500,00 RPM for precise dental procedures.
Low Noise & Vibration: Noise ≤35 dB, vibration amplitude ≤3μm for patient comfort.
Long Service Life: 8 months under daily use.
Miniaturized Precision: ID 2.38mm , OD 4.762mm (P4 grade).
High speed dental handpiece bearing Product Parameters:
NO. | Dental handpiece Bearing type | Inside Diameter | Outer Diameter | Inner ring width | Outer ring width | Step outside diameter | Step width | Flange outer diameter | Flange width | RPM |
| d | D | B | C | DK | CK | DF | CF | ||
1 | SR144Z | 3.175 | 6.35 | 2.38 | 2.38 | - | - |
|
| 450000/min |
2 | SR144ZK(step) | 3.175 | 6.35 | 2.38 | 2.38 | 5.98 | 0.98 |
|
| 450000/min |
3 | SR144ZW | 3.175 | 6.35 | 2.78 | 2.78 | - | - |
|
| 450000/min |
4 | SR144ZWK(step) | 3.175 | 6.35 | 2.78 | 2.78 | 5.98 | 0.98 |
|
| 450000/min |
5 | SFR144Z | 3.175 | 6.35 | 2.38 | 2.38 | - | - | 7.518 | 0.584 | 450000/min |
6 | SFR144ZW | 3.175 | 6.35 | 2.78 | 2.78 | - | - | 7.518 | 0.787 | 450000/min |
7 | SR2-5Z | 3.175 | 7.938 | 3.571 | 3.571 | - | - | - | - | 400000/min |
8 | SFFR144WZ | 3.175 | 7.5 | 2.78 | 2.78 |
|
| 7.5 |
| 450000/min |
9 | SFR144GWZ | 3.175 | 7.5 | 2.78 | 2.78 |
|
| 7.5 |
| 450000/min |
10 | SFR144KZ1WZ | 3.175 | 6.35/7.5 | 2.78 | 2.78 | 6.35 |
| 7.5 |
| 450000/min |
11 | SR144K1Z | 3.175 | 6.35 | 2.38 | 2.38 | 5.88 |
|
|
| 450000/min |