30307 is Nachi single-row Tapered roller bearing can support a combined radial and axial load, the cage is Chrome Steel, 30307 inner diameter is 35mm, 30307 outer diameter is 80mm and 30307 width is 21mm.

• Item: 30307 Nachi Ball Bearing
• Type: Nachi Tapered Roller Ball Bearing
• Cage: Chrome Steel
• Dimensions: 35mm x 80mm x 21mm/Metric
• ID (inner diameter)/Bore: 35mm
• OD (outer diameter): 80mm
• Width/Height/thickness: 21mm
• Size: 35 x 80 x 21 mm
• Quantity: One Bearing
• Dynamic load rating Cr: 76,200 N
• Static load rating Cor: 78,900 N
• Limiting Speed:
  • Grease Lubrication: 5,200 RPM
  • Oil Lubrication: 6,900 RPM
• Made in Japan