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SKF Belt Alignment Tool TKBA 40 (previously TMEB 2)

Highly accurate tool for V-belt pulley alignment

The SKF TKBA 40 aligns V-belt pulleys in the grooves. V–guides and powerful magnets allow the TKBA 40 to be fitted in the grooves of the pulley. With only two components, a laser–emitting unit and a receiver unit, the belt alignment tool is easy and fast to attach. The three–dimensional target area on the receiver unit allows the easy detection of misalignment as well as its nature; whether it is horizontal, vertical, parallel or a combination of all three.


SKF Belt Alignment Tool TKBA 40 (previously TMEB 2)

Features and benefits


  • Powerful magnets allow fast and easy attachment
  • Three-dimensional target area simplifies the alignment process
  • Facilitates simultaneous adjustment of tension and alignment
  • V-guides facilitate the alignment of a wide range of V-belt pulleys
  • Aligns grooves of a V-belt pulley rather than its face, allowing optimum alignment of pulleys of unequal width or with dissimilar faces
  • A maximum operating distance of 6 m (20 ft) accommodates many applications
  • Special side adaptor allowing alignment of multi-ribbed and timing belt pulleys as well as sprockets is available as accessory


Technical data

DesignationTKBA 40
Type of laserRed laser diode
Laser1x Built-in class 2 laser,
Laser line length3 m at 2 m (9.8 ft at 6.6 ft)
Measurement accuracy angularBetter than 0,2°
Measurement accuracy offsetBetter than 0,5 mm (0.02 in.)
Measurement distance50 mm to 6 000 mm (2 in. to 20 ft)
ControlLaser on/off switch
Housing materialExtruded aluminium
  Transmitter unit70 x 74 x 61 mm (2.8 x 2.9 x 2.4 in.)
  Receiver unit96 x 74 x 61 mm (3.8 x 2.9 x 2.4 in.)
  Reflector dimensionsN/A
  Transmitter unit320 g (0.7 lbs)
  Receiver unit320 g (0.7 lbs)
MountingMagnetic, groove mounted
(optional side adapter TMEB A2)
V-guidesSize 1: 22 mm, short rods (3x pairs)
Size 2: 22 mm, long rods (3x pairs)
Size 3: 40 mm, short rods (3x pairs)
Size 4: 40 mm, long rods (3x pairs)
Battery2x AA Alkaline type IEC LR03
Operation time20 hours continuous operation
Carrying case dimensions260 x 180 x 85 mm (10.2 x 7.1 x 3.3 in)
Total weight (incl. case1.3 kg (2.8 lbs)
Operating temperature0 to 40 °C (32 to 104 °F)
Storage temperature–20 to +65 °C (–4 to +150 °F)
Relative humidity10 to 90% RH non-condensing
IP ratingIP 40
Calibration certificateValid for two years
Case contents1x TKBA 40 transmitter unit
1x TKBA 40 receiver unit
2x AA batteries
4x sizes of V-guides, 3x of each size
1x Printed instructions for use
1x Calibration certificate


TKBA G2Set of V-guide with guides (each 3 pcs): 22mm short, 22mm long, 40mm short, 40mm long
TMEB A2Magnetic side adapter for aligning chain sprockets and timing and ribbed belts, pulleys

Spare parts

TDTC 1/AToolcase without inlay


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