SD-B3.068.030-04 000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SD-B3.068.030-04 000 is a brushless servo motor from the SD Magnet Motors series. It has a flange size of 116 mm and is configured with a disk brake. The motor uses a ferrite magnet, provides a nominal speed of 3000 rpm, and delivers a holding torque of 4.0 Nm with a shaft dimension of 19 by 40 mm.
Internal Product Review
The SD-B3.068.030-04 000 is a Bosch Rexroth Indramat brushless servo motor with basic equipment and a disk brake. A 3000 rpm nominal speed and 6.8 Nm torque at standstill give the unit a very capable balance of dynamic response and controlled servo performance.
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Product Description:
The SD-B3.068.030-04 000 magnet motor is produced by Bosch Rexroth Indramat and assigned to the SD Magnet Motors series. As a permanent-magnet servo unit, it is used on closed-loop positioning axes in automated assembly lines, pick-and-place gantries, and packaging machines. When paired with a compatible drive controller, the motor delivers commanded torque and speed without brush wear, helping motion remain consistent during continuous industrial duty. It is intended for applications that require repeatable acceleration, deceleration, and precise positioning over frequent operating cycles.
This model is supplied as basic equipment with a disk brake, which gives the axis an integrated holding device when power is removed. The mechanical interface uses a flange size of 116 mm, allowing direct mounting on machinery built around standardized patterns. Its rotor uses ferrite magnets to create the excitation field while maintaining stable magnetic behavior at the elevated temperatures common in servo operation. At standstill, the motor can deliver continuous torque of 6.8 Nm, which supports static loads and low-speed indexing. Under rated electrical frequency, the shaft reaches 3000 rpm, supporting rapid traverses and other applications that require steady rotational speed. The brake is especially useful when the axis must remain in place after a stop or during a power loss.
The built-in brake provides 4.0 Nm of holding torque, so vertical or suspended loads can remain secured when the drive is disabled. Power is transmitted through a shaft measuring Ø 19 × 40 mm, a size that matches common couplings and helps maintain alignment with the driven load. As a brushless servo motor, the unit uses electronic commutation rather than mechanical brush contact, which reduces maintenance and supports responsive speed and torque control. This operating method also helps the motor handle repeated starts and stops with consistent performance. The shaft dimensions and commutation method suit compact servo installations where smooth motion and reliable holding are required.
