2x SBR20-3000mm~4000mm Linear Silde Rail Guide Shaft 8 SBR20UU Bearing Block CNC

Rail Shafts: 4 PCS SBR20. 4 PCS SBR20 Connecting rail. Bearing Blocks: 8 PCS SBR20UU. 8 PCS SBR20UU Bearing Blocks. Sliding blocks to be used cooperatively with rails, smooth sliding provided by inside linear bearing.

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