Spotlight bearings and slides

Aug. 1, 2006
Steel bearings Custom HNRC bearings are made from high nitrogen steel and offer high corrosion resistance and fatigue life. Features & benefits Nitrogen

Steel bearings

Custom HNRC bearings are made from high nitrogen steel and offer high corrosion resistance and fatigue life.

Features & benefits

  • Nitrogen and high chromium offer stronger resistance than 440C stainless

  • Hardened and tempered HNCR provides hardness (58HRC) comparable to 52100 steel

  • HNCR steel yields fatigue life better than 51200

  • Available in custom-engineered sizes

MRC Bearings Services
Kulpsville, Pa.
(716) 661-2727
Circle 205

Ceramic ball bearings

Full ceramic and ceramic hybrid ball bearings absorb heat, are extremely resilient, achieve higher speeds, and reduce overall weight in harsh environments.

Features & benefits

  • Ceramic silicon nitride balls are 10 times stronger than steel balls and hold surface finish longer

  • Smooth surface reduces friction between balls and races

  • 35% less thermal expansion and 50% less thermal conductivity than steel balls

  • Eliminate scarring and run cooler due to less micro-weld adhesion

Boca Bearing Co.
Delray Beach, Fla.
(800) 332-3256
Circle 206

Spherical plain bearings

PEL BH spherical plain bearings have grease reservoirs between inner and outer ring of bushing and inner ring and pin for lubrication and long life.

Features & benefits

  • I.D. ranges from 12 to 70 mm

  • Load ratings from 38 to 960 C0 and 220 to 5,300 C

  • Duplex surface treatment provides high surface hardness, conformability, and wear and seizure resistance

Columbus, Ohio
(614) 488-2556
Circle 207

Radial, axial bearings

Max Rail combined bearings can move more than 41,000 lb smoothly using a linear bearing system with integrated two-axis bearings, bearing flange plates, rails, and rail clamps.

Features & benefits

  • Available in 11 sizes for maximum dynamic loads of 5,395 lbf radial and 2,248 lbf axial to 41,140 lbf radial and 18,434 axial

  • Bearing rails come in lengths to 19.7 ft

  • Adjustable rail mounts and bearing flanges simplify integration

East Longmeadow, Mass.
(413) 525-4166
Circle 208

Rotary slides

NB slide rotary series offers absolutely smooth rotary and linear movement.

Features & benefits

  • Available in sizes from 6 to 30 mm

  • Standard bush contains cylindrically arranged ball elements within retainer that moves inside steel outer race

  • Large steel balls support high loads

  • Assembles with or without outer housings; can be flange-mounted

NB Corp. of America
Deerfield, Ill.
(800) 521-2045
Circle 209

Miniature bearings

Precision miniature bearings are available in corrosion resistant stainless steel and high carbon chromium steel.

Features & benefits

  • Medium and large sizes available, including extra thin and flanged

  • Bore diameters from 0.6 to 9 mm; 2.5 to 30 mm O.D.

  • 68 to 4659 Cr (N) load rating

Sapporo Precision Bearings USA LLC
Sarasota, Fla.
(941) 358-1655
Circle 210

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