SR1-5 2.38*7.938*3.571 Dental Handpiece Bearing
Product Description:
Low-speed dental handpiece bearings perfectly fit various models of low-speed contra-angle handpieces, air motors, electric motors, electric grinders, etc. For example, NSK air motors use SR1-5 bearings.
Low speed dental handpiece bearing specifiations:
﹒Perfectly usable for contra-angle handpieces, micro motors and other machines
﹒Regular rotating speed 20000-38000RPM
﹒The noise decibel level is lower than 35 decibels.
﹒High precision grade P5 (ABEC 5)
Product Features:
- Radial runout: ≤12μm (approximately 1/6 of hair diameter)
- Axial clearance: 8-25μm (slightly varies by bearing model)
20,000-38,000 revolutions per minute (RPM)
Up to 38,000 revolutions per minute (RPM)
- Superior dust-proof performance enabled by special sealing design
- Ideal for dental environments with particulate matter (e.g., debris from tooth preparation)
- Low vibration & noise (noise level <35dB)
- Rust-proof & corrosion-resistant (made of medical-grade stainless steel)
Product Parameters:
| NO. | Bearing type | Inside Diameter | Outer Diameter | Inner ring width | Shield | Retainer(Cage) | Balls material |
| d | D | B |
| 1 | SMR84 | 4 | 8 | 2 | No shield | Stainless steel | Stainless steel |
| 2 | SMR84ZZ | 4 | 8 | 3 | Double shield | Stainless steel | Stainless steel |
| 3 | SMR74 | 4 | 7 | 2 | No shield | Stainless steel | Stainless steel |
| 4 | SMR74X2 | 4 | 7 | 2 | No shield | TORLON | ceramics |
| 5 | SR133K1 | 2.38 | 4.762 | 1.588 | No shield | Stainless steel | Stainless steel |
| 6 | SR133 | 2.38 | 4.762 | 2.38 | No shield | Stainless steel | Stainless steel |
| 7 | SR133N1 | 2.35 | 4.762 | 2.38 | No shield | Stainless steel | Stainless steel |
| 8 | SMR105ZZ | 5 | 10 | 4 | Double shield | Stainless steel | Stainless steel |
| 9 | SMR105 | 5 | 10 | 3 | No shield | Stainless steel | Stainless steel |
| 10 | SMR63 | 3 | 6 | 2 | No shield | Stainless steel | Stainless steel |
| 11 | SMR63ZZ | 3 | 6 | 2.5 | Double shield | Stainless steel | Stainless steel |
| 12 | SMR85 | 5 | 8 | 2 | No shield | Stainless steel | Stainless steel |
| 13 | SMR85ZZ | 4 | 8 | 2.5 | Double shield | Stainless steel | Stainless steel |
| 14 | SMR83 | 3 | 8 | 2.5 | No shield | Stainless steel | Stainless steel |
| 15 | SMR73 | 3 | 7 | 3 | No shield | Stainless steel | Stainless steel |
| 16 | SR1-5ZZ | 2.38 | 7.938 | 3.571 | Double shield | Stainless steel | Stainless steel |
| 17 | SR1-5 | 2.38 | 7.938 | 3.571 | No shield | Stainless steel | Stainless steel |
| 18 | S415 | 1.5 | 4 | 2 | Double shield | Stainless steel | Stainless steel |
| 19 | S830 | 3 | 8 | 4 | Double shield | Stainless steel | Stainless steel |
| 20 | S692 | 2.35 | 5.5 | 2 | Double shield | Stainless steel | Stainless steel |
| 21 | SR133K1X2 | 2.38 | 4.762 | 1.588 | No shield | TORLON | ceramics |
| 22 | SR133X2 | 2.38 | 4.762 | 2.38 | No shield | TORLON | ceramics |
| 23 | S640 | 4 | 6.5 | 1.3 | No shield | Stainless steel | Stainless steel |
| 24 | S623 | 3 | 10 | 4 | Double shield | Stainless steel | Stainless steel |
Product Tags:
|
|
SR1-5 2.38*7.938*3.571 Dental Handpiece Bearing Low Speed Stainless Steel Images
|
