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S6904-2RS Bearing Sealed ABEC-5 Si3N4 Ceramic 20x37x9mm

Regular price $19.99 Sale price$101.99you save $82.00
SKU: Kit21080
UPC: 00193019023761
Item: S6904-2RS Ball Bearing
Type: Deep Groove Radial Ball Bearing
Cage: Nylon Cage
Balls: Ceramic Si3N4
Quality: ABEC-5
S6904-2RS Sealed ABEC-5 Ball Bearing
With Si3N4 Ceramic Balls
20mm x 37mm x 9mm


S6904-2RS Sealed ABEC-5 Ball Bearing With Si3N4 Ceramic Balls, S6904-2RS bearing is made from stainless steel with silicon nitride Ceramic Balls (Si3N4) and Nylon cage,S6904-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, S6904-2RS bearing is sealed and self lubricated,the quality is set to EMQ (Premium ABEC-5 quality) to ensure high speeds,S6904-2RS bearing is lubricated with grease.

  • S6904-2RS Ball Bearing
  • Deep Groove Radial Ball Bearing
  • Cage: Nylon Cage
  • Ceramic Balls (Si3N4)
  • Quality: ABEC-5
  • Material: Stainless Steel
  • Lubrication: Self Lubricated (Grease SRL) Bearing
  • Closures: Double sealed with rubber seals RS/RS1/2RS1
  • Dimensions: 20mm x 37mm x 9mm/Metric
  • Bearing Inner Diameter: 20mm
  • Bearing Outer Diameter: 37mm
  • Bearing Width: 9mm
  • Quantity: 1 Bearing



💡 What Does ABEC-5 Mean?

ABEC-5 is a precision rating from the Annular Bearing Engineers’ Committee (ABEC), indicating that the bearing is manufactured with tighter tolerances for improved accuracy and performance.

Bearings rated ABEC-5 are designed for high-speed, low-friction operation, making them ideal for electric motors, precision tools, 3D printers, and performance equipment where smooth rotation and long service life are essential.