7201AC P5 DB Paired Bearing for High-Speed Grinding Machine Spindles
| Item No : | 7201AC/P5DBB |
| Size (d*D*B) : | 12x32x10mm |
| Material : | Chrome Steel GCr15 |
| Lead Time : | 3-5 days |
| Weight : | 0.035KG |
| MOQ : | 10 pcs |
| Service : | Support Sample Testing |
⚙️Product Description:
The 7201AC/P5DBB is a high-rigidity precision angular contact ball bearing engineered for handling combined radial and bidirectional axial loads. Featuring a compact 12x32x10mm footprint, a 25-degree contact angle (AC), and ABEC-5 (P5) precision tolerances, this specific assembly is pre-configured in a Back-to-Back (DB) arrangement with a medium preload (B). This matched configuration maximizes moment rigidity and operational stability in demanding high-speed environments. As a trusted B2B industrial distributor, we supply these factory-paired spindle bearings under our reliable RMO brand, while offering customized multibrand OEM solutions to elevate your mechanical assemblies.
⚙️Product Features:
- Optimized 25° Contact Angle (AC): Strikes an ideal balance, supporting moderate axial thrust alongside high radial capacities at elevated operational speeds.
- Back-to-Back Pairing (DB): The factory-matched tandem set offers superior resistance to overturning moments and rigid support against heavy bidirectional axial forces.
- P5 (ABEC-5) Precision Tolerances: Ensures minimal radial runout, drastically reduced frictional heat, and extended service life during continuous high-RPM machining.
- Medium Preload Calibration: Delivers enhanced spindle stiffness and immediate vibration dampening without generating the excessive thermal expansion seen in heavy preloads.
⚙️Product Applications:
Specifically engineered for applications demanding stiff, precise shaft guidance, the 7201AC/P5DBB is heavily utilized in:
- High-speed grinding spindles and precision CNC milling machine tool heads.
- Centrifugal pumps and industrial blowers requiring strict bidirectional axial control.
- Precision gearboxes and automated power transmission assemblies.
- Rotary encoders and advanced robotic joint actuators.
⚙️Precautions:
| 1. Keep clean | 2. Use with caution | 3. appropriate tool | 4. Hot-loading | 5. Be careful of rust |
| Dust will have a bad effect on the bearing, so keep the surrounding clean. | Strong impact during use can easily cause scratches and indentations. | Avoid replacing existing tools, and use appropriate tools. | Bearings are precision parts, so hot installation is recommended. | Sweat on your hands during operation will cause rust, so it is best to wear gloves. |
 |  |  |  |  |
⚙️Obtain Certificate:
About Rimao
Since its establishment in 2011, Rimao Bearing has combined international vision with local wisdom and injected innovative ideas into every bearing and pulley with its profound industry accumulation and unremitting pursuit of technology. We have not only passed CE and ROHS certification, but also set a new benchmark in the industry and led the development trend of the bearing industry.
We are not just a ball bearing and roller bearing importer and wholesaler. We provide real solutions to help you achieve the product and design goals set by your customers. With more than 20 years of production and sales experience, tens of thousands of models and specifications, we look forward to cooperating with you!
⚙️Technical Parameters:
| Model / Industry No. | 7201AC/P5DBB |
| Bearing Type | Single Row Angular Contact Ball Bearing |
| Single Bearing Dimensions | 12x32x10mm (Inner d x Outer D x Total Width/Height H) |
| Contact Angle | 25 Degrees (AC |
| Pairing Configuration | DB (Back-to-Back) |
| Precision Class | P5 (Equivalent to ABEC-5) |
| Internal Preload | Medium Preload (B) |
| Ring & Ball Material | High Precision GCr15 Chrome Bearing Steel |
| Cage Material | Glass-filled Polyamide PA66 Cage |
| Seal Type | Open type, no seal |
| Weight (Approx, single) | 0.035KG |
| Target Application | Grinding Spindles, CNC Heads, Precision Pumps |
| Brand | RMO (Own Brand) / Neutral / OEM Custom / Other Global Brands |
| Package | Individual plastic bag, plastic tube or original RMO brand box |
| Lead Time | 3-5 days for stock; 7-15 days for bulk orders |
| Shipping | Express (DHL/FedEx/UPS), Air Freight, Sea Freight |
| Payment | 100% TT, or 30% TT In Advance, 70% TT After Finished Production |
| Bearings NO. | ID(d*D*B)mm | Weight (KG) | Bearings NO. | ID(d*D*B)mm | Weight (KG) |
| 724 | 4*13*5 | 0.004 | 7213 | 65*120*23 | 0.96 |
| 725 | 5*16*5 | 0.0045 | 7214 | 70*125*24 | 1.09 |
| 726 | 6*19*6 | 0.0078 | 7215 | 75*130*25 | 1.17 |
| 727 | 7*22*7 | 0.01 | 7216 | 80*140*26 | 1.39 |
| 728 | 8*24*8 | 0.016 | 7217 | 85*150*28 | 1.78 |
| 729 | 9*26*8 | 0.02 | 7218 | 90*160*30 | 2.18 |
| 7200 | 10*30*9 | 0.03 | 7219 | 95*170*32 | 2.67 |
| 7201 | 12*32*10 | 0.04 | 7220 | 100*180*34 | 3.2 |
| 7202 | 15*35*11 | 0.048 | 7221 | 105*190*36 | 3.79 |
| 7203 | 17*40*12 | 0.06 | 7222 | 110*200*38 | 4.45 |
| 7204 | 20*47*14 | 0.1 | 7224 | 120*215*40 | 6.05 |
| 7205 | 25*52*15 | 0.13 | 7226 | 130*230*40 | 6.88 |
| 7206 | 30*62*16 | 0.19 | 7228 | 140*250*42 | 8.78 |
| 7207 | 35*72*17 | 0.28 | 7230 | 150*270*45 | 11 |
| 7208 | 40*80*18 | 0.36 | 7232 | 160*290*48 | 13.7 |
| 7209 | 45*85*19 | 0.4 | 7234 | 170*310*52 | 17 |
| 7210 | 50*90*20 | 0.46 | 7236 | 180*320*52 | 17.7 |
| 7211 | 55*100*21 | 0.6 | 7240 | 200*360*116 | 25.3 |
| 7212 | 60*110*22 | 0.77 | 7244 | 220*400*65 | 33.93 |
| 7213 | 65*120*23 | 0.96 | 7248 | 240*440*72 | 50.9 |
leave a message
If you are interested in our products and want to know more details, please leave a message here, we will reply you as soon as we can.
You may also like
