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ST1 | Torque Limiting Coupling

With Key-Way Connection

The ST1 features a coupling hub with key-way connection or spline profile on the drive side and an output flange with 12x fastening threads on the driven side.
The torque limit is field adjustable (within the selected range) and the ST1 has a rated operating temperature range of -30 to 120 Celsius (-22 to 248 F).
Made from high-strength nitro-carburized steel, it is maintenance free, with an infinite life span when operated within the technical specifications. This simple, torsionally rigid and compact coupling delivers precise overload protection.

TORQUE LIMITING COUPLING
WITH KEYWAY CONNECTION
FOR INDIRECT DRIVES

0.2 - 165 KNM

ST1 Diagram

ST1 Series Variants

*See above picture for reference

ItemLength ADepth A2O.D. BLength CI.D. D1D2Pilot EBolt Diam FO.D. GThreads HThread Depth IMount Len JThickness KDistance LDistance MDistance NDiameter OO.D. PBore QAdj (Tq)Inertia1Inertia2SpeedAxial Rec Frc.
ST1-212010019810030-7513216219212xM10153,51510,551,53,5154104max 75(0,2-0,5 | 3xST10) ( 0,5-1,0 | 6xST10) (1,0-1,5 | 6xST10)771570005

ST1-515012422012140-9014517020912xM122042116,566,54,5171120max 90(0.7-2 | 3xST15) (1,2-4 | 6xST15) (3,2-5 | 6xST15)15124600010

ST1-1018315827012040-11017022025912xM162561745954220170max 110(2-5 | 3xST15) (4-10 | 6xST15) (6-14 | 9xST15)36040420020

ST1-2523020031815560-14021026029812xM1630820801304270218max 140(6-12 | 6xST15) (9-18 | 9xST15) (15-25 | 12xST15)78063380030

ST1-4030521042821090-17027033038012xM20358281021707,5350265max 144(12-21 | 6xST30) (22-32 | 6xST30) (32-45 | 9xST30)3570166300040

ST1-6032027545922080-20030036041812xM2035830991677,5376295max 200(11-18 | 3xST 30) (22-36 | 6xST 30) (30-55 | 9xST 30)4600179250050

ST1-100396280592280100-25039046453012xM2440103812821810490380max 216(24-50 | 3xST70) (45-90 | 6xST70) (80-110 | 9xST70)16850403220060

ST1-160410360648290100-29045057061812xM2440103813522510532418max 290(25-55 | 3xST 70) (50-110 | 6xST 70) (80-165 | 9xST 70)246004632000100

ST1-250600740361370200-34050860068012xM3660127827334910630508max 290(100-170 | 8xST71) (160-250 | 12xST71)613008501800240



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