Size designation:
- 5 X -- = mm
- 5 X 07 = 35mm
- 5 X 10 = 50mm
Designs, Types and Features:
- C: Symmetrical, stamped steel retainer
- CA: Symmetrical, one-piece brass retainer
- H: Symmetrical, nylon retainer
- K: Bore is tapered 1 12
- E4: a lubricating groove and three lubricating holes on the outer race
V Noise & vibration grade
- C2: Less than nominal clearance
- C0: Nominal clearance, omitted in designation
- C3: Larger clearance than C0
- C4: Larger clearance than C3
- C5: Larger clearance than C4