Detailed description
The same size can be made of different materials, including,
Stainless Steel Bearings
Chrome Steel Bearings
Carbon Steel Bearings
Ceramic Bearings
Shield / closure: Open Bearing, Z, ZZ, RS, 2RS,TT
Tolerance codes: ABEC-1, ABEC-3, ABEC-5, ABEC-7
Vibration level codes: V4, V3, V2, V1
Internal clearance codes: C2, C3, C4, C5
Material: AISI52100, AISI440C, AISI304, AISI316, Ceramic
Retainer: PTFE, Nylon, PEEK Or Stainless Steel
| Bearing No. | d(mm) | D(mm) | B(mm) | Bs(mm) | Weight (g) |
| R144 | 3.175 | 6.35 | 2.38 | 2.779 | 0.25 |













