| Part Number | R2 |
| Bearing type | BALL |
| Structure | Single Row |
| Load Direction | Radial |
| Seal type | Open |
| Bore diameter(d) | 1/8″︱3.175mm |
| Outer diameter(D) | 3/8″︱9.525mm |
| Width(B) | 5/32″︱3.967mm |
| material | Chrome steel 52100(Gcr15) |
| ring material | Chrome steel 52100(Gcr15) |
| cage material | 300 Series Stainless Steel |
| ball material | Chrome steel 52100(Gcr15) |
| shields material | 300 Series Stainless Steel |
| Grade | ABEC-1(higher grade available) |
| Clearance | C0(other clearance available) |
| BALL SIZE(mm) | 1.588mm |
| BALL QTY | 7 |
| lubrication | grease(oil available) |
| Temperature Range | -30℃~130℃ |
| weight(g) | 1.37 |
| ISO9001:2015 | PASSED |
| REACH | PASSED |
| ROHS | PASSED |
| Dynamic Load Rating (Cr) | 538N |
| Static Load Rating (Cor) | 173N |
The item R2 is one of pop Brushless Motor Bearings for rc model, it is with a bore diameter 3.175mm,a outer diameter 9.525m,and a width 3.967mm,it is belong to open type,we can can supply the Brushless Motor Bearings R2 with shields and with rubber seals, we have different color of rubber seal for choices.
Brushless Motor Bearings are referred bearings used for Brushless Motor.
Runstar is a professional Brushless Motor Bearings manufacturer, we have been committed to the design and production of Brushless Motor Bearings with high precision and high speed, who has more then 15 year’s experience in designing and manufacturing Brushless Motor Bearings for industries.
We have full size of Brushless Motor Bearings for choice, all Brushless Motor Bearings from Runstar has the followings characteristics.
1：full size of Brushless Motor Bearings available. Runstar design and manufacture full sizes of Brushless Motor Bearings with a bore size from 1mm to 20mm for rc models，it consists of metric miniature ball bearing, inch miniature ball bearing and miniature flange bearings.
2：High Precision to meet all needs in quality. Runstar’s Brushless Motor Bearings have different grade from ABEC-1 to ABEC-7 for choice.
3：High speed . It is one of the most basic requirements of Brushless Motor Bearings. Brushless Motor Bearings with high speed can give full play to the performance of Brushless Motor.
4：Long life. The long-time rotation with high speed is a great test for the service life of the Brushless Motor Bearings. Runstar’s Brushless Motor Bearings are strictly controlled and managed from the selection of materials and each process to ensure that each rc ball bearing can be durable.
5：customized Brushless Motor Bearings is accepted.
BEARING INTERCHANGE
| RUNSTAR | NMB | NTN | ADR | GRW | EZO | TIMKEN |
| R2 | R-2 | R2 | R2 | BR1/8A | R2 |
