30309 is Nachi single-row Tapered roller bearing can support a combined radial and axial load, the cage is Chrome Steel, 30309 inner diameter is 45mm, 30309 outer diameter is 100mm and 30309 width is 25mm.

• Item: 30309 Nachi Ball Bearing
• Type: Nachi Tapered Roller Ball Bearing
• Cage: Chrome Steel
• Dimensions: 45mm x 100mm x 25mm/Metric
• ID (inner diameter)/Bore: 45mm
• OD (outer diameter): 100mm
• Width/Height/thickness: 25mm
• Size: 45 x 100 x 25 mm
• Quantity: One Bearing
• Dynamic load rating Cr: 113,000 N
• Static load rating Cor: 128,000 N
• Limiting Speed:
  • Grease Lubrication: 4,100 RPM
  • Oil Lubrication: 5,400 RPM
• Made in Japan