6904ZZ Shielded Ball Bearings, the inner diameter is 20mm, outer diameter is 37mm and the width is 9mm, Bearings are made of Chrome Steel, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease, Bearings are packed 10 bearings in one plastic tube.

• Item: 6904ZZ Ball Bearings
• Type: Deep Groove Ball Bearings
• Material: Chrome Steel
• Closures: Metal Shields
• Lubrication: Self Lubricated (Grease)
• Dimensions: 20mm x 37mm x 9mm/Metric
• ID (inner diameter)/Bore: 20mm
• OD (outer diameter): 37mm
• Width/Height/thickness: 9mm
• Size: 20 x 37 x 9 mm
• Dynamic load rating Cr: 6,350 N
• Static load rating Cor: 3,700 N
• Limiting Speed:
  • Grease Lubrication: 19,000 RPM
• Equal: 6904-2Z & 6904-ZZ
• Quantity: Lot of 10 Bearings
• Packing: 10 bearings in 1 plastic tube
• Equal: 61904-2RS1