Ball bushings Bosch Rexroth

Ball bushing guides Bosch Rexroth

Bosch Rexroth ball bushings are the rolling elements of the ball bushing guide: they run on recirculating ball rows along a round precision steel shaft. The range includes standard KBM ball bushings, super KBA and KBB bushings, compact KBC, torque KBDR2 and rotary KBRON bushings in closed and open versions (suffix O, for example KBM-O-12-D, KBB-O-16-D). The shaft diameter appears in the type designation (8 to 60).

Types - standard KBM, super KBA/KBB, compact KBC, torque KBDR2 and rotary KBRON for different loads and motion.
📏 Shaft diameter - sizes from 8 to 60 in the designation (KBC-8, KBM-30, KBRON-60).
🔓 Open or closed - open version (suffix O) for shafts with continuous support, closed for unsupported shafts.
🔒 DD/RT versions - sealing and version suffixes (DD, RT, G) in the type key.

Typical applications: Ball bushings guide linear motion in fixtures, feeders and special machines; torque and rotary bushings additionally transmit torque or allow rotation. Selection follows shaft diameter, type (standard, super, compact, torque, rotary), open or closed version and required sealing. The matching precision steel shaft and shaft support are found in the neighbouring categories.

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