Twin Disc Split Shaft Couplings

R&D Marine

Part Number: 202-188

Notice!

Verify these dimensions match your application. Dimensions listed under the specifications tab down below. No returns on non-pilot bored couplings.



  • Description

    R&D Marine has developed a comprehensive range of Split Shaft Couplings for Twin Disc transmissions with 6" to 7.25" flange diameters. Split Shaft Couplings can accommodate the variations that occur with normal shaft tolerances, are easy to install, and can be adjusted to the required position on the shaft.

    Features

    Easy Installation & Removal

    By clamping onto the shaft the R&D Marine Split Shaft Coupling can overcome normal shaft tolerances. Easy to remove shaft, even after years of use. Provides a better fit and face than a solid slip-on coupling.

    Increased Strength

    Unlike other shaft couplings on the market that are cast steel, the R&D Marine Split Shaft Couplings are machined from solid steel. This gives increased strength and durability.

  • Specifications

    R&D Marine Split Shaft Coupling dimensions

    Part Number Flange Ø
    (A)
    Hole Pitch Circle (B) # of Holes (C) Hole Size (D) Register Ø (E) Length
    (F)
    Boss Ø
    (G)
    Clamp Bolt Size
    202-153 4"
    (102mm)
    3.25"
    (82.55mm)
    4 0.394"
    (10mm)
    2.5"
    (63.5mm)
    Male
    3.19"
    (81mm)
    3.38"
    (85.9mm)
    M10
    202-254 4"
    (102mm)
    3.07"
    (78mm)
    4 0.394"
    (10mm)
    1.97"
    (50mm)
    Male
    3.19"
    (81mm)
    3.38"
    (85.9mm)
    M10
    202-255 4"
    (102mm)
    3.15"
    (80mm)
    4 0.394"
    (10mm)
    2.36"
    (60mm)
    Female
    3.28"
    (85.8mm)
    3.38"
    (85.9mm)
    M10
    202-489 3.54"
    (90mm)
    2.93"
    (74.5mm)
    4 0.32"
    (8.1mm)
    1.85"
    (47mm)
    Female
    3.28"
    (85.8mm)
    3.38"
    (85.9mm)
    5/16" UNF
    202-168 5"
    (127mm)
    4.25"
    (107.94mm)
    4 0.44"
    (11.2mm)
    2.5"
    (63.5mm)
    Male
    3.75"
    (95.3mm)
    4.06"
    (103.2mm)
    7/16" UNF
    202-316 4.72" (119.9mm) 3.94" (100mm) 4 0.394"
    (10mm)
    2.56"
    (65mm)
    Male
    3.75"
    (95.3mm)
    4.06"
    (103.2mm)
    M10
    202-176 5.75"
    (146mm)
    4.75"
    (120.6mm)
    6 0.5"
    (12.7mm)
    3"
    (76.2mm)
    Male
    5.5"
    (139.7mm)
    5.38"
    (136.7mm)
    1/2" UNF
    202-188 5.75"
    (146mm)
    4.75"
    (120.6mm)
    6 0.63"
    (16mm)
    3"
    (76.2mm)
    Female
    5.5"
    (139.7mm)
    5.38"
    (136.7mm)
    5/8" UNF
    202-313 5"
    (127mm)
    3.88"
    (98.6mm)
    6 0.47"
    (12mm)
    2.5"
    (63.5mm)
    Female
    5.63"
    (143mm)
    4.06"
    (103.2mm)
    M12
    202-381 7.45"
    (189.2mm)
    6"
    (152.4mm)
    6 0.63"
    (16mm)
    3.75"
    (95.25mm)
    Male
    7.5"
    (190.5mm)
    6.63"
    (168.4mm)
    5/8" UNF
    202-468 7.45"
    (189.2mm)
    6"
    (152.4mm)
    6 0.63"
    (16mm)
    3.75"
    (95.25mm)
    Female
    7.5"
    (190.5mm)
    6.63"
    (168.4mm)
    5/8" UNF
    202-469 7.45"
    (189.2mm)
    6"
    (152.4mm)
    6 0.75"
    (19mm)
    3.75"
    (95.25mm)
    Female
    7.5"
    (190.5mm)
    6.63"
    (168.4mm)
    3/4" UNF
    202-470 7.45"
    (189.2mm)
    6"
    (152.4mm)
    8 0.63"
    (16mm)
    3.75"
    (95.25mm)
    Female
    7.5"
    (190.5mm)
    6.63"
    (168.4mm)
    5/8" UNF

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