- Power Transmission - Mechanical components
- Mechanical Transmission
- Friction brake unit
- Miki Pulley Europe AG
Friction brake unit BXR seriesspring activatedfor servo motorsfor motors
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Characteristics
- Type
- friction
- Operation
- spring activated
- Other characteristics
- compact, DC voltage, shaft-mounted, for motors, emergency, for servo motors
- Torque
Max.: 55 Nm
(40.565918 ft.lb)Min.: 5 Nm
(3.687811 ft.lb)- Rotational speed
Max.: 5,000 rpm
(31,415.9265 rad.min-1)Min.: 0 rpm
(0 rad.min-1)
Description
Description
The BXR model is an emergency and holding brake designed for applications with limited installation space. Its ultra-slim construction and very low rotor inertia make it suitable for robotics, servo drives and other compact systems requiring reliable holding and emergency-stop functions.
Key features
Technical data — Type 10 (Square Hub)
Model | Rated torque (Nm) | Heat class | Max. rpm (min^-1) | Moment of inertia J (kg·m^2) | Max braking energy Ebal (J) | Total braking energy ET (J) | Pull in time ta (s) | Release time tar (s) | Mass (kg)
BXR-06-15-005 | 5 | F | 5000 | 2.35 × 10^-5 | 500 | 2.0 × 10^5 | 0.05 | 0.02 | 0.9
BXR-08-15-012 | 12 | F | 5000 | 3.45 × 10^-5 | 800 | 2.0 × 10^5 | 0.08 | 0.02 | 1.2
BXR-10-15-016 | 16 | F | 5000 | 1.12 × 10^-4 | 1500 | 2.2 × 10^6 | 0.11 | 0.05 | 1.3
BXR-12-15-030 | 30 | F | 5000 | 1.88 × 10^-4 | 1500 | 2.5 × 10^6 | 0.12 | 0.03 | 2.3
BXR-14-15-038 | 38 | F | 3600 | 4.22 × 10^-4 | 1800 | 3.0 × 10^6 | 0.12 | 0.03 | 3.0
BXR-16-15-055 | 55 | F | 3600 | 7.10 × 10^-4 | 2000 | 3.0 × 10^6 | 0.22 | 0.10 | 3.6
Technical data — Type 20 (Spline Hub)
Model | Rated torque (Nm) | Heat class | Max. rpm (min^-1) | Moment of inertia J (kg·m^2) | Max braking energy Ebal (J) | Total braking energy ET (J) | Pull in time ta (s) | Release time tar (s) | Mass (kg)
BXR-06-25-005 | 5 | F | 5000 | 3.39 × 10^-5 | 500 | 2.0 × 10^5 | 0.05 | 0.02 | 1.1
BXR-08-25-012 | 12 | F | 5000 | 7.56 × 10^-5 | 800 | 2.0 × 10^5 | 0.08 | 0.02 | 1.4
BXR-10-25-016 | 16 | F | 5000 | 3.02 × 10^-4 | 1500 | 2.2 × 10^6 | 0.11 | 0.05 | 1.6
BXR-12-25-030 | 30 | F | 5000 | 4.77 × 10^-4 | 1500 | 2.5 × 10^6 | 0.12 | 0.03 | 2.6
BXR-14-25-038 | 38 | F | 3600 | 11.3 × 10^-4 | 1800 | 3.0 × 10^6 | 0.12 | 0.03 | 3.5
BXR-16-25-055 | 55 | F | 3600 | 19.1 × 10^-4 | 2000 | 3.0 × 10^6 | 0.22 | 0.10 | 4.1
Type information
Type 10: Square Hub, available voltages: 24, 90 and 180 V DC
Type 20: Spline Hub, available voltages: 24, 90 and 180 V DC
Dimensions — BXR Type 10 (Unit [mm])
Model | A | B | C | D | E | r | E | F | R | S | J | J1 | L | N | K | K1 | a
BXR-06-15-005 | 83.5 | 76 | 82 | 47 | R0,5 | 42 | 35 | 4.5 | 9 | 17 | - | 7 | 14.7 | 25 | - | 0.1
BXR-08-15-012 | 93.5 | 85 | 92 | 49 | R0,5 | 42 | 35 | 4.5 | 10 | 19 | - | 7 | 15.7 | 27 | - | 0.1
BXR-10-15-016 | 123.5 | 115 | 122 | 62 | R0,5 | 55 | 45 | 4.5 | 9.5 | 14.6 | - | 9 | 13.7 | 24.3 | - | 0.1
BXR-12-15-030 | 137.5 | 130 | 136 | 65 | R1 | 62 | 50 | 4.5 | 12 | 15.4 | - | 9 | 12.5 | 25 | - | 0.03
BXR-14-15-038 | 167.5 | 158 | 166 | 80 | R1 | 74 | 60 | 5.5 | 12 | 16 | - | 9 | 12 | 25 | - | 0.03
BXR-16-15-055 | 185 | 175 | 184 | 100 | R1 | 86 | 65 | 5.5 | 12.5 | 21.3 | - | 11.5 | 19.4 | 32.8 | - | 0.10
Dimensions — BXR Type 20 (Unit [mm])
Model | A | B | C | D | E | r | E | F | R | S | J | J1 | L | N | K | K1 | a
BXR-06-25-005 | 83.5 | 76 | 82 | 47 | R0,5 | 36 | - | 4.5 | 9 | 10.5 | 18 | 12.5 | 14.7 | 25 | 30.5 | 0.1
BXR-08-25-012 | 93.5 | 85 | 92 | 49 | R0,5 | 42 | - | 4.5 | 10 | 11.5 | 20 | 13.5 | 15.7 | 27 | 33.5 | 0.1
BXR-10-25-016 | 123.5 | 115 | 122 | 62 | R0,5 | 56 | - | 4.5 | 9.5 | 14.6 | 18 | 15 | 13.7 | 24.3 | 33 | 0.1
BXR-12-25-030 | 137.5 | 130 | 136 | 65 | R1 | 61 | - | 4.5 | 12 | 8.7 | 17.7 | 15 | 12.5 | 25 | 32.7 | 0.15
BXR-14-25-038 | 167.5 | 158 | 166 | 80 | R1 | 75 | - | 5.5 | 12 | 7.2 | 17.2 | 16 | 12 | 25 | 33.2 | 0.15
BXR-16-25-055 | 185 | 175 | 184 | 100 | R1 | 82 | - | 5.5 | 12.5 | 13.6 | 24.6 | 18 | 19.4 | 32.8 | 42.6 | 0.20
Technical specifications / characteristics
The BXR model is an emergency and holding brake designed for applications with limited installation space. Its ultra-slim construction and very low rotor inertia make it suitable for robotics, servo drives and other compact systems requiring reliable holding and emergency-stop functions.
Key features
- Torque range: 5 to 55 Nm
- Ultra slim design for confined spaces
- Extremely low rotor inertia
- Rotation speed up to 5'000 rpm (model dependent)
- Available in square hub and spline hub versions
Technical data — Type 10 (Square Hub)
Model | Rated torque (Nm) | Heat class | Max. rpm (min^-1) | Moment of inertia J (kg·m^2) | Max braking energy Ebal (J) | Total braking energy ET (J) | Pull in time ta (s) | Release time tar (s) | Mass (kg)
BXR-06-15-005 | 5 | F | 5000 | 2.35 × 10^-5 | 500 | 2.0 × 10^5 | 0.05 | 0.02 | 0.9
BXR-08-15-012 | 12 | F | 5000 | 3.45 × 10^-5 | 800 | 2.0 × 10^5 | 0.08 | 0.02 | 1.2
BXR-10-15-016 | 16 | F | 5000 | 1.12 × 10^-4 | 1500 | 2.2 × 10^6 | 0.11 | 0.05 | 1.3
BXR-12-15-030 | 30 | F | 5000 | 1.88 × 10^-4 | 1500 | 2.5 × 10^6 | 0.12 | 0.03 | 2.3
BXR-14-15-038 | 38 | F | 3600 | 4.22 × 10^-4 | 1800 | 3.0 × 10^6 | 0.12 | 0.03 | 3.0
BXR-16-15-055 | 55 | F | 3600 | 7.10 × 10^-4 | 2000 | 3.0 × 10^6 | 0.22 | 0.10 | 3.6
Technical data — Type 20 (Spline Hub)
Model | Rated torque (Nm) | Heat class | Max. rpm (min^-1) | Moment of inertia J (kg·m^2) | Max braking energy Ebal (J) | Total braking energy ET (J) | Pull in time ta (s) | Release time tar (s) | Mass (kg)
BXR-06-25-005 | 5 | F | 5000 | 3.39 × 10^-5 | 500 | 2.0 × 10^5 | 0.05 | 0.02 | 1.1
BXR-08-25-012 | 12 | F | 5000 | 7.56 × 10^-5 | 800 | 2.0 × 10^5 | 0.08 | 0.02 | 1.4
BXR-10-25-016 | 16 | F | 5000 | 3.02 × 10^-4 | 1500 | 2.2 × 10^6 | 0.11 | 0.05 | 1.6
BXR-12-25-030 | 30 | F | 5000 | 4.77 × 10^-4 | 1500 | 2.5 × 10^6 | 0.12 | 0.03 | 2.6
BXR-14-25-038 | 38 | F | 3600 | 11.3 × 10^-4 | 1800 | 3.0 × 10^6 | 0.12 | 0.03 | 3.5
BXR-16-25-055 | 55 | F | 3600 | 19.1 × 10^-4 | 2000 | 3.0 × 10^6 | 0.22 | 0.10 | 4.1
Type information
Type 10: Square Hub, available voltages: 24, 90 and 180 V DC
Type 20: Spline Hub, available voltages: 24, 90 and 180 V DC
Dimensions — BXR Type 10 (Unit [mm])
Model | A | B | C | D | E | r | E | F | R | S | J | J1 | L | N | K | K1 | a
BXR-06-15-005 | 83.5 | 76 | 82 | 47 | R0,5 | 42 | 35 | 4.5 | 9 | 17 | - | 7 | 14.7 | 25 | - | 0.1
BXR-08-15-012 | 93.5 | 85 | 92 | 49 | R0,5 | 42 | 35 | 4.5 | 10 | 19 | - | 7 | 15.7 | 27 | - | 0.1
BXR-10-15-016 | 123.5 | 115 | 122 | 62 | R0,5 | 55 | 45 | 4.5 | 9.5 | 14.6 | - | 9 | 13.7 | 24.3 | - | 0.1
BXR-12-15-030 | 137.5 | 130 | 136 | 65 | R1 | 62 | 50 | 4.5 | 12 | 15.4 | - | 9 | 12.5 | 25 | - | 0.03
BXR-14-15-038 | 167.5 | 158 | 166 | 80 | R1 | 74 | 60 | 5.5 | 12 | 16 | - | 9 | 12 | 25 | - | 0.03
BXR-16-15-055 | 185 | 175 | 184 | 100 | R1 | 86 | 65 | 5.5 | 12.5 | 21.3 | - | 11.5 | 19.4 | 32.8 | - | 0.10
Dimensions — BXR Type 20 (Unit [mm])
Model | A | B | C | D | E | r | E | F | R | S | J | J1 | L | N | K | K1 | a
BXR-06-25-005 | 83.5 | 76 | 82 | 47 | R0,5 | 36 | - | 4.5 | 9 | 10.5 | 18 | 12.5 | 14.7 | 25 | 30.5 | 0.1
BXR-08-25-012 | 93.5 | 85 | 92 | 49 | R0,5 | 42 | - | 4.5 | 10 | 11.5 | 20 | 13.5 | 15.7 | 27 | 33.5 | 0.1
BXR-10-25-016 | 123.5 | 115 | 122 | 62 | R0,5 | 56 | - | 4.5 | 9.5 | 14.6 | 18 | 15 | 13.7 | 24.3 | 33 | 0.1
BXR-12-25-030 | 137.5 | 130 | 136 | 65 | R1 | 61 | - | 4.5 | 12 | 8.7 | 17.7 | 15 | 12.5 | 25 | 32.7 | 0.15
BXR-14-25-038 | 167.5 | 158 | 166 | 80 | R1 | 75 | - | 5.5 | 12 | 7.2 | 17.2 | 16 | 12 | 25 | 33.2 | 0.15
BXR-16-25-055 | 185 | 175 | 184 | 100 | R1 | 82 | - | 5.5 | 12.5 | 13.6 | 24.6 | 18 | 19.4 | 32.8 | 42.6 | 0.20
Technical specifications / characteristics
- Series / Model name: BXR
- Function: Emergency and holding brake
- Torque range: 5 to 55 Nm (series)
- Heat class: F
- Maximum rotational speed: up to 5'000 rpm (depends on model)
- Available hub types: Type 10 (Square Hub) and Type 20 (Spline Hub)
- Available voltages: 24 V, 90 V and 180 V DC
- Designed for confined spaces and robotics/servo drive applications
- 3D models and PDF datasheets available on the product page
Catalogs
No catalogs are available for this product.
See all of Miki Pulley Europe AG‘s catalogsOther Miki Pulley Europe AG products
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.