Dovetail slides are a type of plain linear bearing — along with boxway slides and plain bushings made of plastic, composite, or bronze — that rely on direct contact between sliding surfaces to support a load. These differ from modern rolling element linear bearings, which use balls or rollers to reduce friction between the load-bearing […]
Case-hardened tapped or threaded shafts, ready to ship
Made in the U.S.A., NB’s shafts are never annealed, so outer diameters are ultra precise — tolerances are always reliable. Tapped shafts can be ordered with one or both ends tapped, in either case-hardened carbon steel or stainless steel. Threaded shafts can be ordered with one or both ends threaded, in case-hardened carbon steel. Diameters […]
Timken acquiring linear-motion supplier Rollon
The Timken Company, a world leader in engineered bearings and power transmission products, has reached an agreement with pan-European firm Chequers Capital and IGI Private Equity to acquire Rollon Group. A leader in engineered linear motion products, Rollon specializes in the design and manufacture of linear guides, telescopic rails and linear actuators used in a […]
What’s the difference between dynamic load capacity and static load capacity?
Rolling element linear bearings, such as round shafts and bushings, profiled rail guides, crossed roller slides, and even ball screws, have two load capacity specifications — dynamic load capacity and static load capacity — which are based on different operating parameters and performance criteria and are independent of each other. To accurately size and select a […]
When should you use a ball spline?
A ball spline is a type of rolling bearing linear guide, similar to a round shaft and bushing assembly, but with a critical distinction in its operation. The shaft of a ball spline is much like a linear guide shaft, except that the spline shaft has grooves along its length. The spline nut (analogous to […]
Bishop-Wisecarver President Pamela Kan wins Women’s Business Enterprise Star Award
Bishop-Wisecarver president Pamela Kan was selected by the Women’s Business Enterprise National Council (WBENC) as a 2018 Women’s Business Enterprise Star. This prestigious award is given annually to only 14 women from across the country based on their contributions to their local communities and respective businesses. As one of the small number of female leaders […]
New bearing from igus assists in quick, easy liner replacement
igus has introduced a new bearing, drylin W Exchange, for its drylin W linear system in which the liner can be replaced directly on the rail without dismantling the system. By using a practical assembly tool, users can push the old liner out of the housing, clip the new one on to the shaft and […]
NB SGL slide guides for precise and rigid support of linear motion
The expanded line of NB SGL slide guides from NB Corp. of America are high-precision linear bearings with low friction and non-stick (and non-slip) mechanisms for smooth linear motion … even under high loads. The SGL Slide Guides are 160 mm to 3,000 mm long. Six types of blocks are available depending on the mounting […]
“New Design” pillow and flange blocks from LM76 allow for easy bearing lubrication
“New Design” pillow blocks and flange blocks from LM76 feature a lubrication fitting and an alignment set screw in the pillow blocks and flange blocks. The stainless steel and self aligning linear bearings are modified by having an alignment flat ground on the bearings’ outer shell and drilling a hole through the outer shell. Lubricants […]
DESTACO Robohand OEM linear table slides for machine tending and part transfer
DESTACO now sells cost-effective OEM gripping setups … and the new T110 linear pneumatic table slides complement the G110 gripper series favored by OEMs. Together, they deliver improved speed and reliability versus comparable products on the market for high-speed machine part-transfer, pick-and-place operations, and machine tending applications. Engineered for better performance, lower maintenance and faster operation, […]
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