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S6903-2RS Bearing ABEC-3 - Ceramic Si3N4 Balls

S6903-2RS Bearing ABEC-3 - Ceramic Si3N4 Balls

Preço normal $19.99 USD
Preço normal $81.99 USD Preço de saldo $19.99 USD
Em promoção Esgotado
S6903-2RS Sealed Ball Bearing
Premium ABEC-3 Quality with Si3N4 Ceramic Balls
(Silicon Nitride)
17mm x 30mm x 7mm


S6903-2RS Sealed Ball Bearing is double sealed, radial and deep groove ball bearing,bearing is made from stainless steel with Ceramic Balls (Si3N4) and Stainless steel cage,S6903-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination,bearing is sealed and self lubricated,the quality is set to EMQ (Premium ABEC-3 quality) to ensure high speed,S6903-2RS bearing is lubricated with grease.

  • S6903-2RS Ball Bearings
  • Deep Groove Radial Ball Bearing
  • Ceramic Balls (Si3N4)
  • Radial Clearance: C0
  • Cage: Stainless Steel
  • Quality: Premium ABEC-3
  • Material: Stainless Steel
  • Lubrication: Self Lubricated (Grease SRL) Bearing
  • Closures: Double sealed with rubber seals RS/RS1/2RS1
  • Dimensions: 17mm x 30mm x 7mm/Metric
  • ID (inner diameter)/Bore: 17mm
  • OD (outer diameter): 30m
  • Width: 7mm
  • Size: 17 x 30 x 7 mm
  • Quantity: 1 Bearing
  • Equivalents: 6903-2RS1 & 6903-2RZ SS61903-2RS1 P4 & SS61903RS1 Bearings


VXB Category: Hybrid ceramic bearings




💡 What Does ABEC-3 Mean?

ABEC-3 is a precision rating from the Annular Bearing Engineers’ Committee (ABEC) that indicates the tolerance and accuracy of a ball bearing. A bearing with an ABEC-3 rating offers reliable precision and smooth rotation for most electric motors, tools, and hobby applications.

It’s a great balance between performance, cost, and durability - ideal for general-purpose and high-speed use.

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