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Continuous Sleeve Series

Features:
  • Simple and inexpensive all steel type of gear coupling constructed with a single sleeve and 2 hubs
  • Comparatively simple installation
  • Precision cut 20° pressure angle gear teeth with minimum backlash
  • Most standard configurations are available as stock items
  • Angular misalignment of 1/2° per gear mesh (flex-plane)
  • Sizes 7/8 through 12, to accommodate bore sizes up to and including 12.50 inches
  • Interference fit (standard) and Clearance fit on bores are available
  • Load Capacities range from 2,500 in-lbs up to 2,520,000 in-lbs
  • Designs for applications requiring horizontal and vertical orientation, full-flex, flex-rigid, mill-motor, disengagement, sliding hubs, Shear Pin, floating shaft, and spacers
  • Patented and tested BUNA N seal design with reinforced washers bonded to the inside edges which positively retain lubricant and seal the interior from outside contaminants
  • Reinforced rubber seals with snap rings to hold in lubricant
  • Two snap rings made of hardened spring steel which securely hold the coupling together, are easy to install or remove, yet withstand 100,000 pounds of end thrust
  • Inch and Metric bore sizes available
Standard Types and Sizes

    Lovejoy / Sier-Bath couplings are stocked in an assortment of configurations which include C and F standard hubs and sleeves, Mill Motor hubs, Vertical style, Floating Shaft, and Spacer designs. Lovejoy’s superb engineering staff make it possible to support many additional coupling types such as the Brakedrum type, Sliding Hub type, Shear Pin type, Jordan type, and custom lengths for non standard shaft separations.

    Additional size ranges and designs to meet unusual application requirements can also be manufactured by Lovejoy to meet market demands. Material can range from standard steel to alloy steel and even stainless steel. The exceptional simplicity of the Lovejoy coupling design make this all possible.
C Type Flex-Flex Couplings
    The C Type coupling consists of two flex hubs, one sleeve and one accessory kit consisting of seals and snap rings.
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Unit of Measure
Items
C Type Universal Coupling Sleeves - Imperial

C Type Universal Coupling Sleeves - Imperial
C Type Universal Coupling Sleeves - Imperial

C Type Universal Coupling Sleeves - Imperial
C Type Universal Coupling Sleeves - Imperial

C Type Universal Coupling Sleeves - Imperial
C Type Universal Coupling Sleeves - Imperial

C Type Universal Coupling Sleeves - Imperial
C Type Universal Coupling Sleeves - Imperial

C Type Universal Coupling Sleeves - Imperial
Description  N/A C-7/8-SLEEVE N/A C-1.5-SLEEVE N/A C-2-SLEEVE N/A C-2.5-SLEEVE N/A C-3-SLEEVE
Size  N/A 7/8 in N/A 1 1/2 in N/A 2 in N/A 2 1/2 in N/A 3 in
Type N/A Universal Coupling Sleeves
Dimension LS N/A 2.000 in50.80 mm N/A 2.530 in64.26 mm N/A 2.560 in65.02 mm N/A 3.060 in77.72 mm N/A 3.750 in95.25 mm
Outside Diameter N/A 3.31 in3.31 mm N/A 3.75 in3.75 mm N/A 4.750 in4.75 mm N/A 5.500 in5.50 mm N/A 6.630 in6.63 mm
Overall Length N/A 3.130 in79.50 mm N/A 3.75 in95.25 mm N/A 4.25 in107.95 mm N/A 4.750 in120.65 mm N/A 5.500 in139.70 mm
Max. Bore (Dimensions ID1/ID2) N/A 1.25 in31 mm N/A 1.630 in42 mm N/A 2.130 in56 mm N/A 2.630 in70.00 mm N/A 3.13 in84.00 mm
Hub Material N/A Steel
Style N/A Sleeve
Dimension CBD N/A 1.940 in49.28 mm N/A 2.250 in57.15 mm N/A 3.000 in76.20 mm N/A 3.750 in95.25 mm N/A 4.750 in120.65 mm
Dimension DC N/A 0.130 in3.30 mm N/A 0.190 in4.83 mm N/A 0.190 in4.83 mm N/A 0.250 in6.35 mm N/A 0.250 in6.35 mm
Dimension G N/A 0.130 in3.30 mm N/A 0.130 in3.30 mm N/A 0.130 in3.30 mm N/A 0.250 in6.35 mm N/A 0.250 in6.35 mm
Dimension G1 N/A 0.380 in9.65 mm N/A 0.500 in12.70 mm N/A 0.500 in12.70 mm N/A 0.750 in19.05 mm N/A 0.750 in19.05 mm
Dimension HD N/A 2.000 in50.80 mm N/A 2.380 in60.45 mm N/A 3.250 in82.55 mm N/A 3.940 in100.08 mm N/A 4.750 in120.65 mm
Dimension HL N/A 1.500 in38.10 mm N/A 1.810 in45.97 mm N/A 2.060 in52.32 mm N/A 2.250 in57.15 mm N/A 2.630 in66.80 mm
Dimension R N/A 3.750 in95.25 mm N/A 4.590 in116.59 mm N/A 4.880 in123.95 mm N/A 5.720 in145.29 mm N/A 6.880 in174.75 mm
Dimension SL N/A 1.000 in25.40 mm N/A 1.270 in32.26 mm N/A 1.280 in32.51 mm N/A 1.530 in38.86 mm N/A 1.880 in47.75 mm
Weight N/A 2.00 lb N/A 3.36 lb N/A 4.28 lb N/A 6.33 lb N/A 9.70 lb
Complete Coupling Weight N/A 5.00 lb N/A 8.00 lb N/A 13.00 lb N/A 20.00 lb N/A 33.00 lb
Max. Speed (Unbalanced) N/A 6000 rpm N/A 5000 rpm N/A 4200 rpm N/A 3750.00 rpm N/A 3600.00 rpm
Nominal Torque N/A 2500.00 in·lb N/A 7600 in·lb N/A 20200.00 in·lb N/A 30200.00 in·lb N/A 50400.00 in·lb
Max. Angular Misalignment (per Mesh) N/A 0.50 º
Parallel Misalignment N/A 0.005 in N/A 0.007 in N/A 0.007 in N/A 0.007 in N/A 0.010 in
Cubic inches N/A 21.91220 in³ N/A 35.57813 in³ N/A 57.76000 in³ N/A 92.56500 in³ N/A 164.83838 in³