The designations of most SKF rolling bearings follow a system that may -ZNR, Shield on one side, snap ring groove in the outer ring, snap ring on the opposite side of the shield P5, Dimensional and running accuracy to P5 tolerance class.
bearings and gearboxes, roller chain for dry, abrasive and high-moisture For applications where running tolerance is critical, P6 or P5 tolerances.
Extra Small and Miniature Ball Bearings are described on Pages B30 to B45. DESIGN, TYPES, AND Single-Row Deep Groove Ball Bearings are classified into the types shown below. The proper 6215 ZZ VV DDU. 160 37 2.1 113 000
P5. ○Dimension Tables. Bearing bore 10∼25mmP6∼P7. Bearing bore NTN seal and shield type ball bearings are built to meet these trends. 6215ZZ. 6215LLB. ―. 6215LLU. 83. 90.5. 122. 1.5. 1.18. 6315ZZ. 6315LLB. ―.
Regarding bearing accuracy classes, besides ISO normal accuracy, as the . P5. P4. P2. ⎯. ⎯. Ball. ABEC 1. ABEC 3. ABEC 5. ABEC 7. ABEC 9. A60. Bearings.