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Direct-bond bearings challenge inserts

Coatings make more efficient use of bearing materials and eliminate secondary machining and installation. Dry, unlubricated insert bearings excel in jobs where it's tough to maintain oil and grease lubrication. Applications for insert bearings include sliding and rotating rods in shock absorbers, air cylinders, gas springs, solenoids, valve shuttles, small pumps, servomotors, and hydraulic and mechanical actuators. Bearings made of glass and bronze-filled PTFE or nylon go in machined bores and housings and are held in place by press fits, snap rings, staking, or pins. Most of the bearing material is wasted because just a few thousandths of an inch supports an
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Products & Services
Radial Ball Bearings
Radial ball bearings are friction reduction, rotation devices that carry loads radially around its axis. A subtype of ball bearings, they operate through the use of lubricated steel balls placed between two circular guides. They are frequently called deep-groove bearings.
Pillow Block Bearings
Pillow block bearings are mounted bearings that are used to provide load support for a rotating shaft’s axis. 
Spherical Plain Bearings
Spherical plain bearings accommodate wide-ranging angular misalignment with a ball-and-socket type design. They are frequently used in linkages and control rod applications.
Takeup Bearings
Take-up bearings are primarily used to correctly tension conveyor belts and systems, or to align tracks.  They are available in three component types: bearing, frame, and take-up assembly (frame with bearing).
Flange Mounted Bearings
Flange mounted bearings are used when a shaft axis is perpendicular to the bearing mounting surface. They are available in 2, 3, or 4-hole configurations.
Product Announcements
GGB - GGB Introduces Sealed Bearing Cartridges
GGB
Newly developed sealed bearing cartridges from GGB, formerly Glacier Garlock Bearings, offer a cost-effective, maintenance-free alternative to conventional greased bronze, hardened steel and... (read more)
GGB - Bearing Housings; Self-Aligning
GGB
Self-aligning bearing housings: UNI™, MINI™, EXALIGN™ UNI, MINI, and EXALIGN self-aligning bearing housings are designed to be used with our range of metal polymer bearings. An... (read more)
Emerson Bearing Co. - Ball Bearings for Packaging & Food Processing
Emerson is the superstore of bearings. They have over 3 million bearings in stock in their centrally located distribution center. They have many types of ball bearings in stock. And at several price... (read more)
MISUMI USA - Bearings from Misumi - Compare Price and Delivery!
Bearings from Misumi - Compare Price and Delivery! MISUMI USA's extensive line of bearings is the smart choice from OEM - Compare our Prices and Delivery. Along with a wide line of bearings we... (read more)
MISUMI USA - New line of One-way Clutch Bearings From Misumi
New line of One-way Clutch Bearings From Misumi USA Designed to operate on the end of a shaft, the new One-Way Clutch bearings feature ball bearings at both ends of the clutch to provide support for... (read more)
MISUMI USA - Key Bores Now Avaiable for
Responding to our customer demands, MiSUMi now offers long awaited Keyed Bores for "Servo Fine" Couplings. Shaft/bore slippage eliminated by the key, even more suitable for ball screw applications... (read more)
GGB - Composite Thrust Bearing
GGB
MEGALIFE® XT self-lubricating thrust bearings from GGB Bearing Technology feature dual PTFE-based sliding layers on a composite core. They are designed for use in applications requiring high load... (read more)
MISUMI USA - NEW Linear Rails Preloaded Type from Misumi
NEW Linear Rails Preloaded Type from Misumi USA. A low cost preloaded solution is finally achieved. Transfer and position guiding are now possible with little clearance! Stainless Steel rails are... (read more)
Topics of Interest

Graphite-metal bearings can handle harsh environments that toast liquid-lubricated types. Graphalloy bearings and bushings are available as flanged bushings, thrust washers, and pillow blocks in bores...

Self-lubricating, nonmetallic bearings handle tough jobs and need little or no maintenance. Filament-wound composite bearings are available to fit round, square, or hex shafts, in standard metal...

Bearing selection looks at several key design metrics including anticipated loads, lifetime and reliability, ambient conditions, vibration, and cost. This information lets you choose between one of...

This article from AST Bearings explains how the consistency of bearing grease can affect overall performance.

Instrument bearings can be lubricated with oil, grease, or dry films. Synthetics are used most widely for instrument bearings. Petroleums also are used for their excellent lubrication properties under...