6318ZNR Nachi Bearing With Snap Ring and Shield, the 6318ZNR inner diameter is 90mm, the 6318ZNR outer diameter is 190mm, 6318ZNR width is 43mm.

• Item: 6318ZNR Nachi Ball Bearing
• Type: Nachi Deep groove Ball Bearing
• Closures: Double shielded with Metal shields ZNR/ZZNR/2ZNR
• Radial Clearance: C3
• Dimensions: 90mm x 190mm x 43mm/Metric
• ID (inner diameter)/Bore: 90mm
• OD (outer diameter): 190mm
• Width/Height/thickness: 43mm
• Size: 90 x 190 x 43 mm
• Quantity: One Bearing
• Dynamic load rating Cr: 143,000 N
• Static load rating Cor: 107,000 N
• Limiting Speed:
  • Grease Lubrication: 3,600 RPM
  • Oil Lubrication: 4,300 RPM
• Made in Japan