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SKF Encoder Bearing / Motor Encoder Unit

BMB-6205/048S2/UA002A, AC motor speed sensor, suits to diameter 25 mm shaft

There are different SKF encoder models, some are OEM models for forklift manufacturers, some are designed for speciific purposes. If you need a SKF encoder listed below, please contact us.

• BMO-6204/048S2/UA008A
• BMB-6204/048S2/UA002A
• BMO-6204/048S2/UA108A
• BMB-6202/032S2/UA002A (compatible with 6202/VK2415)
• BMD-6206/064S2/UA108A (with AMPSEAL™ 4-pin connector) and BMD-6206/064S2/UA008A (free cable end)
• BMB-6022E (TOYOTA forklift part number 14194-10922-71 / 14194-10923-71)
• BMB-6208/080S2/UB108A (with AMPSEAL™ 4-pin connector) and BMB-6208/080S2/UB008A (free cable end)
• BMB-6209/080S2/UH108A

We supply also NSK bearing encoders:

• NSK 6206V (with AMPSEAL™ 4-pin connector, or free cable end)
• NSK 6206V (with AMP / TE 174259-2 4-Pin square connector, compatible with Toyota forklift AC motor speed sensor)
• E-Z-GO 612595 Bearing Encoder Service Kit (intergrated with NSK 6206V)

SKF motor encoder model BMB-6205/048S2/UA002A uses a compact and robust sensor that produces an incremental encoder signal. The sensor is accurate down to zero r/min. An integrated active circuit (requiring an external voltage supply) in the sensor body contains two Hall effect cells that produce an output signal consisting of two square waves.

The signals can be interpreted by motor controllers in different ways:

• The direction of rotation can be determined from the phase shift, when the rising edge of a signal first appears.
• Slow speeds can be determined by measuring the time between two electrical events, events being the rising and falling edge on either square wave.
• High speeds can be measured by counting the number of electrical events within a given time period.

The two square waves are 90° out of phase with each other. This phase shift changes sign with the direction of rotation. The presence of two signals in quadrature enables a processing unit to multiply the number of angular position increments per revolution. For example, using a standard SKF sensor bearing with 48 pulses per revolution and a standard electronic interface that can detect the rising (Low / High) and falling (High / Low) times of each of the two signals, it is possible to obtain 192 electrical events per revolution, which translates to an angular resolution of 1.875°.

SKF motor encoder units provide accurate and reliable signals for effective motor control and are 100% tested for period accuracy, duty cycle and phase shift during manufacture.

The SKF Motor Encoder Unit is a compact, integrated unit consisting of:

• A pre-lubricated SKF Explorer deep groove ball bearing in the 62 series with a snap ring groove in the outer ring and an RS1 contact seal
• An impulse ring
• A sensor body
• A cable outlet and connecting cable

For more details, please see the product datasheet of SKF motor encoder unit (PDF format).

Wiring:

SKF Encoder Bearing / Motor Encoder Unit

BMB-6205/048S2/UA002A, AC motor speed sensor, suits to diameter 25 mm shaft

There are different SKF encoder models, some are OEM models for forklift manufacturers, some are designed for speciific purposes. If you need a SKF encoder listed below, please contact us.

• BMO-6204/048S2/UA008A
• BMB-6204/048S2/UA002A
• BMO-6204/048S2/UA108A
• BMB-6202/032S2/UA002A (compatible with 6202/VK2415)
• BMD-6206/064S2/UA108A (with AMPSEAL™ 4-pin connector) and BMD-6206/064S2/UA008A (free cable end)
• BMB-6022E (TOYOTA forklift part number 14194-10922-71 / 14194-10923-71)
• BMB-6208/080S2/UB108A (with AMPSEAL™ 4-pin connector) and BMB-6208/080S2/UB008A (free cable end)
• BMB-6209/080S2/UH108A

We supply also NSK bearing encoders:

• NSK 6206V (with AMPSEAL™ 4-pin connector, or free cable end)
• NSK 6206V (with AMP / TE 174259-2 4-Pin square connector, compatible with Toyota forklift AC motor speed sensor)
• E-Z-GO 612595 Bearing Encoder Service Kit (intergrated with NSK 6206V)

SKF motor encoder model BMB-6205/048S2/UA002A uses a compact and robust sensor that produces an incremental encoder signal. The sensor is accurate down to zero r/min. An integrated active circuit (requiring an external voltage supply) in the sensor body contains two Hall effect cells that produce an output signal consisting of two square waves.

The signals can be interpreted by motor controllers in different ways:

• The direction of rotation can be determined from the phase shift, when the rising edge of a signal first appears.
• Slow speeds can be determined by measuring the time between two electrical events, events being the rising and falling edge on either square wave.
• High speeds can be measured by counting the number of electrical events within a given time period.

The two square waves are 90° out of phase with each other. This phase shift changes sign with the direction of rotation. The presence of two signals in quadrature enables a processing unit to multiply the number of angular position increments per revolution. For example, using a standard SKF sensor bearing with 48 pulses per revolution and a standard electronic interface that can detect the rising (Low / High) and falling (High / Low) times of each of the two signals, it is possible to obtain 192 electrical events per revolution, which translates to an angular resolution of 1.875°.

SKF motor encoder units provide accurate and reliable signals for effective motor control and are 100% tested for period accuracy, duty cycle and phase shift during manufacture.

The SKF Motor Encoder Unit is a compact, integrated unit consisting of:

• A pre-lubricated SKF Explorer deep groove ball bearing in the 62 series with a snap ring groove in the outer ring and an RS1 contact seal
• An impulse ring
• A sensor body
• A cable outlet and connecting cable

For more details, please see the product datasheet of SKF motor encoder unit (PDF format).

Wiring: