SR2-5ZTLZWN 3.175*7.938*3.571 High Speed Dental Bearing
Performance of high-speed dental handpiece bearings:
high precision, smooth operation, noiseless, high-temperature sterilization resistance, long service life, corrosion resistance, and strong cutting ability.
Specifications of dental bearings:
Perfectly usable for high-speed turbine handpieces
Bearing structure : One shield (normal shield)
Materials of balls:Stainless steel & Ceramic
Bearing dimensions:3.175*7.938*3.571mm,3.175*6.35*2.38mm,3.175*6.35*2.78mm,3.175*7.938*3.571 etc.
Product Features:
Corrosion Resistance:Corrosion-resistant forStainless steel acidic/alkaline and high-temperature sterilization.
Ceramic Balls:Silicon nitride ceramic balls for high-temperature resistance and low friction.
Precision Design:P4-grade precision with low vibration and noise (<35 dB).
High-Speed Stability:Stable operation at 450,000 rpm.
Long Life & Maintenance-Free:Solid lubrication for 6+ months of service and 135°C sterilization resistance.
Brand Compatibility :ABEC-7/ABEC-9 precision for NSK, W&H, and others.
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 |
Product Tags:
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