SD-B4.070.030-11.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SD-B4.070.030-11.000 is a brushless servo motor from the SD Magnet Motors series. It features a flange size of 142 mm and uses a ferrite magnet type. The motor has a nominal speed of 3000 rpm and delivers a standstill torque of 7.0 Nm.
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Product Description:
The SD-B4.070.030-11.000 is a servo motor built by Bosch Rexroth Indramat for the SD Magnet Motors series. Designed for positioning axes in automated equipment, it converts three-phase electrical input into controlled rotation that follows command profiles from a drive controller. The rotor uses permanent magnets to produce repeatable torque without brush wear, making the unit suitable for feed drives, light press stages, and conveyor indexing where dependable cyclic motion is required. This operating principle supports accurate motion response in applications that need consistent starts, stops, and directional changes throughout repeated machine cycles.
The motor uses a flange diameter of 142 mm, which helps align the housing with standardized servomotor brackets. Its magnetic circuit uses Ferrite material, providing stable flux behavior across typical industrial temperature ranges. During continuous operation, the shaft can reach a nominal speed of 3000 rpm, allowing moderate-to-high throughput on compact machinery. Power is transmitted through a shaft sized at Ø24×50 mm, which provides suitable engagement for keyed, clamped, or collet-style couplings. When the rotor is held stationary, the motor can sustain 7.0 Nm of torque, indicating how much load can be supported at standstill before external holding methods become necessary.
As a Brushless servo motor, the rotor carries magnets while the stator windings are energized through Electronic commutation, which reduces maintenance and allows precise phase timing. This arrangement supports tight Closed-loop control of speed and position when the motor is paired with a compatible drive, because torque output changes predictably with commanded current. The brushless design also avoids mechanical commutator wear, which helps maintain stable operation during repeated cycling. That combination of magnetic rotor construction and electronic switching makes the motor well suited for automated systems that depend on accurate positioning and smooth dynamic response.
