VCMP212-Z 45*110*22 Vacuum Pump Bearing
Pumps bearing for many models of Dry Vacuum Pumps, Precision Pumps etc.Perfectly usable for automotive field, industrial field etc.
For the automotive industry: E-Drive, LiDAR, and Turbochargers.
For industrial field: dry vacuum pumps, molecular pumps, machine tool spindles, chemical fiber winding machines, and humanoid robot actuators.
Product Features:
Tolerance of precision grade P4 (ABEC 5)
Regular rotating speed 4500-6000 rpm
Special design of sealed structure, superiorly dust-proof
Less vibration, Less noise, Antirust, Corrosion resistant
Key Advantages of Our Pumps Bearing Products:
High-Purity Bearing Steel: Self-developed alloy steel with ultra-low impurities significantly extends fatigue life and ensures long-term reliability.
Advanced Ceramic Balls: Customized ceramic rolling elements enhance oil film thickness, reduce contact stress, and optimize friction performance for smoother operation.
Specialized Heat Treatment: Proprietary process minimizes residual austenite content, ensuring dimensional stability under high-temperature conditions.
Precision Manufacturing: In-house grinding technology achieves micrometer-level accuracy, guaranteeing rotational precision and minimizing noise.
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 |
FAQ
Q: Delivery and Carriage
There are three ways to deliver the qoods.One is Exoress ,such as DHL, UPS, TNT and Fedex.The charg of them is from Us$ 10.0/kG to Us$ 20.0/KG if We pay the freightin china. It is most convenient because of door to dorThis method is suitable to a few goods such as less than 20KGAnother is air parcel, you should go to airot to takethe qoods yousewes, The dharge is cheaper than expres, but you should pay the charges of customs dearance and we should paythe
charoes of dearance of goods, these charges are fixed no matter what weight or volume it is, This method is suitable to the gods which are more than 100KG.The rest one is ocean shipping, it is rather cheap, and it will take about 15-30 days to the pot if you are in the North America or the Europe.In general, we deliver the samples by Express, such as DHL, UPS, TNT and Fedex, and ship the goods of order by ocean shipping.
Q:Payment
By T/T: 30% deposit, 70% balance before the shipment.
Q: Claims and returns
We usually confirm with you before you place an order. If any defective products are received, you may return them, and we will bear the freight costs for these items. Alternatively, you may request us to replace the defective products promptly, and we will cover all associated shipping fees in full.We also provide a lifespan guarantee for our products. Typically, we offer a minimum of 6 months of lifespan warranty.
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