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Flexco® Size 550

  • 375X Fastener
  • 375X Fastener on Pulley
  • Bolt Strips

Flexco® Size 550

Providing a flexible joint for belts operating over small pulleys, Flexco® 550 Bolt Hinged Fasteners are ideal for belts 1/4” to 5/8” (6 mm to 16 mm) thick with a PIW up to 300 (52 kN/m).  

Fastener Details

  • Design: Hinged plates with high-strength bolts
  • Belt Thickness: 1/4” to 5/8” (6 mm to 16 mm)
  • Minimum Pulley Diameter: 9” (230 mm)
  • Maximum PIW: 300 (52 kN/m)
  • Belt Widths: 18”, 20”, 24”, 26”, 30”, 36”, 42”, 48”, 54”, 60” 72” (450 mm, 500 mm, 600 mm, 650 mm, 750 mm, 900 mm, 1050 mm, 1200 mm, 1350 mm, 1500 mm, 1800 mm)
  • Metal Selection: Steel, Stainless Steel, MegAlloy®
  • Installation Method: Hammer or power tool and templet
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Fasteners(61)
Hinge Pins(122)
Installation Tools(40)
Replacement Parts(23)
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Bulk Fastener Sets
Required for Various Belt Widths
  375X 550
Belt
Width
(Recommended)
(Recommended)

in.
mm 		Sets of
3-Plate 		Sets of
2-Plate 		Sets of
3-Plate 		Sets of
1-Plate
12 300 3 1   7
14 350 3 2   9
16 400 5     10
18 450 5 1   11
20 500 5 2 2 7
24 600 7   2 8
28   7 2 2 10
  700 7 2 2 11
30 750 9   2 12
36 900 11   2 16
  1000 12   2 18
42 1050 13   2 20
  1200 15   2 24
48   15   2 24
  1350 17   2 28
54   17   2 28
  1500 18 1 2 32
60   19   2 32
  1800 22 1 2 39
72   23   2 40
  2100 25 2 2 48
84   27   2 48
  2400 30 1 2 55
96   31   2 56
  3000 37 2 2 71
120   39   2 72

 

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