INTORQ BFK551 size 03 holding version (configurable size)

Name: INTORQ BFK551 size 03 holding version (configurable size)
SKU: INTORQ BFK551 size 03 holding version (configurable size)

Model / article: INTORQ BFK551 size 03 holding version (configurable size)

INTORQ BFK551 size 03 holding version (configurable size) is listed by Kendrion in Spring-applied brakes. Published model data includes Brake axial length L: 31.8 mm; Brake bore diameter d: 6 / 7 / 8 / 9 / 10 mm. See the specification table for operating conditions and source evidence.

Manufacturer-published holding-version sizes. Brochure ratings only; not productfinder ID 33008169. Emergency-stop count withheld due to source conflict. No verified SIL/PL or dual-channel claim.

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Product overview

Manufacturer / supplier: Kendrion
Series: INTORQ BFK551 holding brakes / INTORQ BFK551 size 03 holding version (configurable size)
Component type: Spring-applied brakes
Source: Open published source

Published pricing

No verified public price indexed for this model. Contact PartMeld for a supplier inquiry.

Published specifications

Values are shown as published. Conditions, rating basis and source evidence apply to each value.

Latest source observation: 2026-09-19. Observation dates record evidence collection, not supplier re-verification.

Specifications and source evidence for INTORQ BFK551 size 03 holding version (configurable size)
Specification	Published value	Conditions and source
Brake axial length LModel-level statement	31.8 mm	rule validated Operating conditions dimension h in mounting drawings; not l, l2 or l3 Source evidence Axial height h: 31.8 mm BFK551 brochure ©18.11.2025 printed p.7 / INTORQ BFK551 size 03 holding version (configurable size) / Axial height h Source observed: 2026-09-19View source
Brake bore diameter dModel-level statement	6 / 7 / 8 / 9 / 10 mm	rule validated Operating conditions options mm [6,7,8,9,10] scope discrete configurable options, not continuous range tolerance H7 Source evidence Hub bore d H7 options: 6 / 7 / 8 / 9 / 10 mm BFK551 brochure ©18.11.2025 printed p.7 / INTORQ BFK551 size 03 holding version (configurable size) / Hub bore d H7 options Source observed: 2026-09-19View source
Braking torque at stated speedModel-level statement	1 N·m	rule validated Operating conditions scope published torque at 100 rpm, not a static torque claim speed rpm 100 version holding brake; not operating/service brake lining Source evidence Rated torque for holding brakes @100 min-1: 1 N·m BFK551 brochure ©18.11.2025 printed p.6 / INTORQ BFK551 size 03 holding version (configurable size) / Rated torque for holding brakes @100 min-1 Source observed: 2026-09-19View source
Temperature classModel-level statement	F (155°C)	rule validated Operating conditions scope insulation class; not ambient temperature rating Source evidence Thermal class: F (155°C) BFK551 brochure ©18.11.2025 printed p.6 / INTORQ BFK551 size 03 holding version (configurable size) / Thermal class Source observed: 2026-09-19View source
Brake operationModel-level statement	Spring-applied, electromagnetically released holding brake with emergency-stop function. Standard ambient -20 to +40 °C; 100% ED. Select housing/flange mounting and hub bore; hand release only sizes 03–05.	rule validated Operating conditions elevated temperature not indexed; manual requires additional conditions scope configurable holding version; not a complete ordering code Source evidence Operation and configuration: Spring-applied, electromagnetically released holding brake with emergency-stop function. Standard ambient -20 to +40 °C; 100% ED. Select housing/flange mounting and hub bore; hand release only sizes 03–05. BFK551 brochure ©18.11.2025 printed p.6 / INTORQ BFK551 size 03 holding version (configurable size) / Operation and configuration Source observed: 2026-09-19View source
Release excitation voltageModel-level statement	24 V	rule validated Operating conditions scope standard option; other voltages not enumerated as models Source evidence Standard rated voltage: 24 V BFK551 brochure ©18.11.2025 printed p.6 / INTORQ BFK551 size 03 holding version (configurable size) / Standard rated voltage Source observed: 2026-09-19View source
Permissible braking workModel-level statement	800 JRating: maximum	rule validated Operating conditions scope single switching event; not continuous heat dissipation or lifetime work Source evidence Shifting work for single shift Wmax: 800 J BFK551 brochure ©18.11.2025 printed p.6 / INTORQ BFK551 size 03 holding version (configurable size) / Shifting work for single shift Wmax Source observed: 2026-09-19View source
Maximum output speedModel-level statement	5000 rpmRating: maximum	rule validated Operating conditions scope subject to permissible emergency-stop switching work; assess application Source evidence Maximum speed nmax: 5000 rpm BFK551 brochure ©18.11.2025 printed p.6 / INTORQ BFK551 size 03 holding version (configurable size) / Maximum speed nmax Source observed: 2026-09-19View source
Outer diameterModel-level statement	56 mm	rule validated Source evidence Outer diameter d4: 56 mm BFK551 brochure ©18.11.2025 printed p.7 / INTORQ BFK551 size 03 holding version (configurable size) / Outer diameter d4 Source observed: 2026-09-19View source

Technical documents and resources

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