30310 is single-row tapered roller bearing can support a combined radial and axial load, the cage is Chrome Steel, 30310 inner diameter is 50mm, 30310 outer diameter is 110mm and 30310 width is 27mm.

• Item: 30310 Nachi Ball Bearing
• Type: Nachi Tapered Roller Ball Bearing
• Cage: Chrome Steel
• Dimensions: 50mm x 110mm x 27mm/Metric
• ID (inner diameter)/Bore: 50mm
• OD (outer diameter): 110mm
• Width/Height/thickness: 27mm
• Size: 50 x 110 x 27 mm
• Quantity: One Bearing
• Dynamic load rating Cr: 137,000 N
• Static load rating Cor: 152,000 N
• Limiting Speed:
  • Grease Lubrication: 3,700 RPM
  • Oil Lubrication: 4,900 RPM
• Made in Japan