SNR 71912HVDUJ74 Angular Contact Ball Bearing

Description:

The SNR 71912HVDUJ74 Extra Precision Angular Contact Bearing Set is a matched pair of super precision single-row angular contact ball bearings designed for high-speed, high-accuracy spindle applications. Manufactured for universal duplex mounting, these bearings provide exceptional running accuracy, rigidity, and low friction for CNC machine tools, grinding machines, machining centers, and other precision rotating equipment. Maintenance teams, OEMs, and spindle rebuild specialists use this bearing set for replacement and precision spindle overhauls.

Applications:

The SNR 71912HVDUJ74 Bearing Set is used in CNC machining centers, milling machines, grinders, lathes, precision spindles, and other high-speed industrial equipment. Universal duplex matching allows the bearings to be mounted back-to-back, face-to-face, or tandem while maintaining proper preload and spindle accuracy.

Technical Specifications:

• Manufacturer: SNR (NTN-SNR)
• Manufacturer Part Number (MPN): 71912HVDUJ74
• Product Type: Super precision angular contact ball bearing set
• Function: Supports high-speed radial and axial loads with exceptional accuracy
• Bearing Type: Single-row angular contact ball bearing (matched duplex set)
• Bore Diameter: 60 mm
• Outside Diameter: 85 mm
• Width: 13 mm per bearing (26 mm matched pair)
• Contact Angle: 25°
• Precision Class: ISO Class 4 (P4)
• Cage Material: Phenolic resin
• Configuration: Universal duplex mounting
• Enclosure: Open
• Bearing Material: High-carbon chrome steel
• Compatible Equipment: CNC machine tools, grinders, machining centers, and precision spindle assemblies
• Operating Environment: High-speed precision machining applications
• Application: Machine tool spindle support and precision rotating equipment
• Designed For: High rigidity, low runout, and high-speed spindle performance.

Common Replacements:

• NTN 71912HVDUJ74 Super Precision Bearing Set
• SKF 71912 ACD/P4A Duplex Bearing Set
• FAG HS71912-C-T-P4S-UL Super