30306 is Nachi single-row Tapered roller bearing can support a combined radial and axial load, the cage is Chrome Steel, 30306 inner diameter is 30mm, 30306 outer diameter is 72mm and 30306 width is 19mm.

• Item: 30306 Nachi Ball Bearing
• Type: Nachi Tapered Roller Ball Bearing
• Cage: Chrome Steel
• Dimensions: 30mm x 72mm x 19mm/Metric
• ID (inner diameter)/Bore: 30mm
• OD (outer diameter): 72mm
• Width/Height/thickness: 19mm
• Size: 30 x 72 x 19 mm
• Quantity: One Bearing
• Dynamic load rating Cr: 59,600 N
• Static load rating Cor: 60,100 N
• Limiting Speed:
  • Grease Lubrication: 5,800 RPM
  • Oil Lubrication: 7,700 RPM
• Made in Japan