30303 is Nachi single-row Tapered roller bearing can support a combined radial and axial load, the cage is Chrome Steel, 30303 inner diameter is 17mm, 30303 outer diameter is 47mm and 30303 width is 14mm.

• Item: 30303 Nachi Ball Bearing
• Type: Nachi Tapered Roller Ball Bearing
• Cage: Chrome Steel
• Dimensions: 17mm x 47mm x 14mm/Metric
• ID (inner diameter)/Bore: 17mm
• OD (outer diameter): 47mm
• Width/Height/thickness: 14mm
• Size: 17 x 47 x 14 mm
• Quantity: One Bearing
• Dynamic load rating Cr: 27,400 N
• Static load rating Cor: 24,500 N
• Limiting Speed:
  • Grease Lubrication: 9,200 RPM
  • Oil Lubrication: 12,000 RPM
• Made in Japan