SFR144TLZWN 3.175*6.35*2.78 High speed dental bearing
Requirements for High-Speed Dental Bearings: Perfectly usable for high speed handpieces
Bearing structure : One shield (normal shield)
Materials of balls:Stainless steel & Ceramic
Ultra-High-Speed Operation: Support 300,000-480,000RPM for precise tooth preparation.
Longevity & Maintenance-Free: Service life > 8 months with minimal replacements.
Bearing dimensions:3.175*6.35*2.78mm,3.175*6.35*2.38mm etc.
Bearing structure : One shield
Product Features:
Perfectly usable for many brands and models of high-speed dental handpieces
Materials: AISI 440C stainless steel, ceramic or stainless steel balls.
Precision: P4 grade or ABEC-7 standard.
Lubrication: solid lubrication.
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 |