Shaft designs


- Flange shaft
Output available on side 3 or 4.
Output Side
Bearing Design


Pretensioned angular contact bearings at the output in an O-arrangement, ideally suited for helical geared rack and pinion drive.
Mounting Positions


- Any mounting position.
- You can find the explanation of the mounting positions and the respective quantities of lubricant in the document Quantity of lubricant for gear units ID 441871
Lubricants and Maintenance


- Synthetic lubricant CLP HC ISO VG 150
- Lubricated for life
- Maintenance-free
Paint Finish


Black RAL 9005
Motor Adapter MB


- Integrated static current brake.
- As single brake or - together with motor brake - as redundant braking system.
- Motor adapter for all common synchronous servo motors.
- Plug-in coupling for easy removal of the motor with braked axis in any position.
Enclosure Type


IP54, optional IP65
Electrical Connection


- Standard design with terminal box and integrated release monitoring.
- Optionally with connector, however not in conjunction with electrical monitoring.
Coil


- Coil connection 24 VDC
- Coil connection 104 VDC (Connection voltage 220 – 277 V, ± 5%, 50//60 Hz) with high-speed rectifier.
For details see Operating instructions Brake module MB ID 441846
Option Hand Release


With the hand release the brake can be released mechanically.
Recommendation Motor


EZ synchronous servo motors 


For further information see Synchronous Servo Motors

Type	Ratio	Max. perm. acceleration torque [Nm]	Weight [kg]	Max. perm. input speed in cyclic operation [1/min]	Backlash [arcmin]	Torsional stiffness [Nm/arcmin]
PH521_K1_	16 – 42	320	23	4000	4 – 4.5	45 – 59
PH721_K1_	28 – 88	500 – 650	27	4000	3.5 – 4	95 – 107
PH721_K2_	16 – 87	670 – 700	35 – 40	4000	4 – 4.5	70 – 108
PH821_K2_	28 – 196	1173 – 1478	56 – 61	4000	3.5	200 – 247
PH821_K3_	16 – 174	894 – 1700	61 – 66	3800 – 4000	4	120 – 237
PH931_K5_	33 – 466	3840 – 4500	94 – 111	3000 – 4000	4 – 4.5	422 – 728
PH1031_K6_	49 – 457	6275 – 7500	138 – 155	2900 – 4000	4	967 – 1206