Machined needle roller bearing NA6904UU, the inner diameter is 20mm, the outer diameter is 37mm, width of the cone (inner ring) is 31mm, and the outer ring width is 30mm.

• Item: NA6904UU Bearing
• Type: Needle Roller Bearing
• Closures: Rubber Sealed (both sides)
• Dimensions: 20mm x 37mm x 31mm /Metric
• ID (inner diameter)/Bore: 20mm
• OD (outer diameter): 37mm
• inner ring: 31mm
• outer ring: 30mm
• Size: 20mm x 37mm x 31mm
• Quantity: One Bearing
• Basic Dynamic Load Rating: 3,370 KGF
• Basic Static Load Rating: 4,540 KGF
  
  
  
  

  Dimensions
  d	dr	D	B	B1
  20mm	25mm	37mm	30mm	31mm