30305 is Nachi single-row Tapered roller bearing can support a combined radial and axial load, the cage is Chrome Steel, 30305 inner diameter is 25mm, 30305 outer diameter is 62mm and 30305 width is 17mm.

• Item: 30305 Nachi Ball Bearing
• Type: Nachi Tapered Roller Ball Bearing
• Cage: Chrome Steel
• Dimensions: 25mm x 62mm x 17mm/Metric
• ID (inner diameter)/Bore: 25mm
• OD (outer diameter): 62mm
• Width/Height/thickness: 17mm
• Size: 25 x 62 x 17 mm
• Quantity: One Bearing
• Dynamic load rating Cr: 48,200 N
• Static load rating Cor: 46,900 N
• Limiting Speed:
  • Grease Lubrication: 6,800 RPM
  • Oil Lubrication: 9,000 RPM
• Made in Japan