Metric 63/28 Ball Bearing 28x68x18mm High Speed Durable Performance
Item No :
63/28Size (d*D*B) :
28x68x18mmLead Time :
3-5 DaysWeight :
0.282KGShipping Port :
Guangzhou, Ningbo, ShanghaiMOQ :
50 pcsMetric 63/28 Ball Bearing 28x68x18mm High Speed Durable Performance
⚙️Bearing Description:
63/28 Series Deep Groove Ball Bearing: High Performance and Versatility
The 63/28 model is a medium-sized, single-row deep groove ball bearing, featuring a standard configuration of 28mm inner diameter, 68mm outer diameter, and 18mm width. This makes it one of the most widely used bearings across various mechanical power transmission applications.
Simple in structure and easy to install, this bearing is designed to handle radial loads while accommodating moderate bidirectional axial loads. It is characterized by its low friction and high-speed capability, making it a key component for achieving efficient and smooth operation.
| Model No. | 63/28 |
| Size | 28x68x18mm |
| Sealing | OPEN, ZZ , 2RS |
| Material | Chrome Steel Gcr15 or Stainless Steel etc. |
| Precision | ABEC-1 ABEC-3 ABEC-5 ABEC-7 |
| Clearance | C0 C3 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Load Rating | Dynamic Load (Cr): 25.1 KN ~ 29.6 KN, Static Load (C0r): 13.1 KN ~ 14.0 KN |
| Limit Speed | Approx. 10,000 r/min |
| Shipping Port | Guangzhou, Ningbo, Shanghai |
| Payment | 100% TT, or 30% TT In Advance ,70% TT After Finished Production |
| Service | Support Sample Testing |
Superior Reliability: Available with various shielding/sealing options (such as ZZ metal shields or 2RS rubber seals) to effectively protect the raceways from contaminants.
High-Speed Capacity: Precision-manufactured raceways ensure stability and low noise even at high rotational speeds.
Maintenance-Free: Pre-lubricated versions (e.g., 2RS/ZZ) require no maintenance throughout their service life.
Choose the 63/28 bearing for a cost-effective and dependable solution to rotational support in your machinery.
| Model No. | d | D | H | m |
| 634 | 4 mm | 16 mm | 5 mm | 0.01 KG |
| 635 | 5 mm | 19 mm | 6 mm | 0.01 KG |
| 6300 | 10 mm | 35 mm | 11 mm | 0.05 KG |
| 6301 | 12 mm | 37 mm | 12 mm | 0.06 KG |
| 6302 | 15 mm | 42 mm | 13 mm | 0.08 KG |
| 6303 | 17 mm | 47 mm | 14 mm | 0.11 KG |
| 6304 | 20 mm | 52 mm | 15 mm | 0.14 KG |
| 6304 ETN9 | 20 mm | 52 mm | 15 mm | 0.14 KG |
| 63/22 | 22 mm | 56 mm | 16 mm | 0.18 KG |
| 6305 | 25 mm | 62 mm | 17 mm | 0.23 KG |
| 6305 ETN9 | 25 mm | 62 mm | 17 mm | 0.23 KG |
| 63/28 | 28 mm | 68 mm | 18 mm | 0.3 KG |
| 6306 | 30 mm | 72 mm | 19 mm | 0.35 KG |
| 6306 ETN9 | 30 mm | 72 mm | 19 mm | 0.33 KG |
| 6307 | 35 mm | 80 mm | 21 mm | 0.46 KG |
| 6308 | 40 mm | 90 mm | 23 mm | 0.63 KG |
| 6309 | 45 mm | 100 mm | 25 mm | 0.84 KG |
| 6310 | 50 mm | 110 mm | 27 mm | 1.1 KG |
| 6311 | 55 mm | 120 mm | 29 mm | 1.35 KG |
| 6312 | 60 mm | 130 mm | 31 mm | 1.7 KG |
Ideal for use in electric motors, pumps, gearboxes, agricultural machinery, and various industrial equipment.
| 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. |
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