Timken,2MM9119WI DUL,Spindle & Precision Machine Tool Angular Contact Bearing NO

Description:

The Timken 2MM9119WICRDUL (Manufacturing Part Number: 2MM9119WI DUL, World Part Number: 7019C-T-P4S-DUL) is a matched duplex set of super precision single-row angular contact ball bearings from the Timken Fafnir® 9100WI series. Factory matched with DUL (light preload), this bearing set is engineered for high-speed machine tool spindles requiring exceptional rigidity, low runout, and precise shaft positioning. It is commonly used in CNC machining centers, milling machines, grinding machines, jig borers, precision lathes, and other high-accuracy manufacturing equipment.

Applications:

The Timken 2MM9119WICRDUL bearing set is designed for high-speed spindle applications where accuracy, rigidity, and thermal stability are essential. Its duplex light preload arrangement improves spindle stiffness, minimizes vibration, and provides excellent rotational accuracy, making it ideal for CNC machining centers, grinding machines, high-speed milling machines, machining spindles, routers, and other precision industrial machine tools.

Technical Specifications:

• Manufacturer Part Number (MPN): 2MM9119WICRDUL (Manufacturing Part Number: 2MM9119WI DUL)
• World Part Number: 7019C-T-P4S-DUL
• Manufacturer: Timken Fafnir
• Product Type: Super precision angular contact ball bearing set
• Bearing Type: Duplex matched single-row angular contact ball bearings
• Series: 9100WI (ISO 7019C)
• Bore Diameter (ID): 95 mm
• Outside Diameter (OD): 145 mm (5.709 in)
• Bearing Width (Single): 24 mm (0.945 in)
• Total Width (Duplex Set): 48 mm (1.890 in)
• Contact Angle: 15°
• Arrangement: Duplex matched pair
• Preload: DUL (Light preload)
• Ball Material: Steel
• Cage Type: CR outer land riding cage
• Cage Material: MBR phenolic cage
• Precision Rating: ISO P4S (ABEC 7/9 equivalent)
• Dynamic Radial Load Rating (C1): 81,400 N (18,300 lbf) per bearing
• ISO Dynamic Radial Load Rating: 74,100 N (16,600 lbf) per bearing
• Static Radial Load Rating (C0): 73,400 N (16,500 lbf) per bearing
• Limiting Speed (Grease): 8,700 rpm
• Limiting Speed (Oil): 17,400 rpm
• Maximum Shaft Fillet Radius: 1.5 mm (0.059 in)
• Maximum Housing Fillet Radius: 1.5 mm (0.059 in)
• Function: Supports combined radial and axial loads in high-speed precision spindle applications.
• Features: Factory-matched duplex set, light preload, super precision construction, low runout, high rigidity, optimized for machine tool spindles, and excellent thermal stability.

Common Replacements:

• Timken 2MM9119WICRDUL super precision bearing set
• SKF 7019 CD/P4A duplex bearing set
• NSK 7019CTYNSULP4 duplex bearing set