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SKF Motor Encoder Unit

BMB / BMO 系列 / SKF (Official website) / Listed on page 15 of the document

Compact encoder bearing unit combining an active sensor with an SKF Explorer deep groove ball bearing, designed for easy installation. Measures the rotational speed and direction of AC motors.

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SKF Motor Encoder Unit on page 15 of SKF "SKF 転がり軸受カタログ 15 エンジニアリング製品 15A センサー軸受ユニット"
Source: SKF「SKF 転がり軸受カタログ 15 エンジニアリング製品 15A センサー軸受ユニット」page 15
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Specifications

Resolution (pulses per revolution) 32~80 パルス
Shaft diameter 15~45 mm
Width Increase (Compared to Standard Deep Groove Ball Bearing) 6,2 mm
Voltage supply 5~16 V DC
NBR seal permissible operating temperature -40~+100 °C
Sensor permissible operating temperature -40~+150 °C
Output current limit (pull-up resistor) 20 mA

Description

Unit integrating a 62 series SKF Explorer deep groove ball bearing, a Hall effect sensor and a magnetized impulse ring. Outputs 32 to 80 pulses per revolution, with a shaft diameter of 15 to 45 mm. The width is 6,2 mm greater than that of an equivalent standard deep groove ball bearing. Fitted with contact seals and available with either a cable end or an AMP Superseal™ connector.

Features

  • Resolution of 32 to 80 pulses per revolution
  • Detection from 0 r/min via Hall effect sensor
  • Noise suppression with high-performance filter
  • Maintenance-free, no re-lubrication required

Applications

  • AC motors

FAQ

Q. What applications can the SKF Motor Encoder Unit be used for?
A. It is used to measure the rotational speed and direction of AC motors.
Q. What are the resolution and shaft diameter range of the SKF Motor Encoder Unit?
A. It outputs 32 to 80 pulses per revolution, and the shaft diameter ranges from 15 to 45 mm.
Q. Does the SKF Motor Encoder Unit support detection from 0 r/min?
A. Yes. The Hall effect sensor enables detection from 0 r/min.
Q. What are the bearing and dimensional characteristics of the SKF Motor Encoder Unit?
A. It uses a 62 series SKF Explorer deep groove ball bearing and is 6,2 mm wider than an equivalent standard deep groove ball bearing. It is fitted with contact seals.
Q. What are the electrical specifications and operating temperature range of the SKF Motor Encoder Unit?
A. The supply voltage is 5 to 16 V DC, and the output current limit (pull-up resistor) is 20 mA. The permissible operating temperature is -40 to +100 °C for the NBR seal and -40 to +150 °C for the sensor.

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