Timken MM20BS47TUM Ball Screw Support Bearing Ultra Precise Super Prec Triplex Design 47 Mm Outer Diameter With 1.8504 In Backing For Linear Motion Systems Grease Rated 4700 RPM And Oil Rated 9400 RPM
UPC:
✔️ Triplex design, 47 mm OD, grease/oil rating, 1 bearing
Timken MM20BS47TUM is a high precision ball screw support bearing designed for accurate linear motion in CNC machines, robotics, and automation systems. This unit features a triplex arrangement and a robust steel ball set, built to handle high loads and maintain tight shaft alignment in demanding environments.
✅ O.D. 47 mm (1.8504 in)
✅ I.D. 20 mm (0.7874 in)
✅ Outer ring backing diameter 34.493 mm (1.358 in)
✅ Inner ring backing diameter 33.492 mm (1.319 in)
✅ Total width 45 mm (1.772 in)
✅ Rows per set: Triplex
✅ Cage: CR - Phenolic Outer Land Riding Cage
✅ Dynamic radial rating per row: 24900 N
✅ Static radial rating (per row): 0.5906 in (15.0 mm)
✅ Limiting speed (grease): 4700 RPM; (oil): 9400 RPM
✅ Manufacturing part number: MM20BS47TUM
✅ Pack size: 1 bearing
💡 What is a pillow block bearing used for in linear motion systems? Pillow block bearings provide robust support for rotating shafts in machinery, helping maintain alignment and smooth operation. - handy for CNC tooling and automation lines - supports radial loads and reduces shaft play - compatible with grease or oil lubrication for high speed or heavy load use - scales easily with standard shaft sizes