The Timken Company - J Type Flanges without Keyway - Inch (Imperial) Bores

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The J Type flanges in sizes 3J and 4J are made from die cast of high strength zinc alloy (tensile strength of 41,000 psi) and are furnished bore-to-size.
Size 5J is provided in either zinc alloy or cast iron depending on the bore size.
Size 6J is made from cast iron.
J flanges are compatible with EPDM or Neoprene sleeves.
Each flange has a keyway and two set screws (one set screw over the key and one at 90° to the keyway).
The J Type coupling consists of two flanges and one sleeve.

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Unit of Measure

Items	68514436114 J Type Flanges without Keyway - Inch (Imperial) Bores	68514436046 J Type Flanges without Keyway - Inch (Imperial) Bores	68514436115 J Type Flanges without Keyway - Inch (Imperial) Bores	68514436347 J Type Flanges without Keyway - Inch (Imperial) Bores	68514436351 J Type Flanges without Keyway - Inch (Imperial) Bores
Description	N/A 3J-FLNG-1/2-NKW	N/A 3J-FLNG-3/8-NKW	N/A 4J-FLNG-1/2-NKW	N/A 5J-FLNG-1/2-NKW	N/A 6J-FLNG-5/8-NKW
Bore Size	N/A 1/2 in	N/A 3/8 in	N/A 1/2 in	N/A 1/2 in	N/A 5/8 in
Coupling Size	N/A 3J	N/A 3J	N/A 4J	N/A 5J	N/A 6J
Type	N/A Coupling Flange
Material	N/A Zinc Die Cast	N/A Zinc Die Cast	N/A Zinc Die Cast	N/A Cast Iron	N/A Cast Iron
Thread (Dimension T)	N/A 1/4-20	N/A 1/4-20	N/A 1/4-20	N/A 1/4-20	N/A 5/16-18
Keyway Size (W x D)	N/A No Keyway
Outside Diameter	N/A 2.062 in52.37 mm	N/A 2.062 in52.37 mm	N/A 2.460 in62.48 mm	N/A 3.250 in82.55 mm	N/A 4.000 in101.60 mm
Color	N/A Gray
Nominal Torque (with EPDM Sleeve)	N/A 60 in·lb	N/A 60 in·lb	N/A 120 in·lb	N/A 240 in·lb	N/A 450 in·lb
Bore Type	N/A Finished Bore
Max. Bore	N/A 0.875 in	N/A 0.875 in	N/A 1.000 in	N/A 1.125 in	N/A 1.375 in
Max. Speed	N/A 9200.00 rpm	N/A 9200.00 rpm	N/A 7600.00 rpm	N/A 7600.00 rpm	N/A 6000 rpm
Dimension FL	N/A 0.380 in9.65 mm	N/A 0.380 in9.65 mm	N/A 0.440 in11.18 mm	N/A 0.590 in14.99 mm	N/A 0.780 in19.81 mm
Dimension HD	N/A 1.500 in38.10 mm	N/A 1.500 in38.10 mm	N/A 1.630 in41.40 mm	N/A 1.880 in47.75 mm	N/A 2.500 in63.50 mm
Dimension L	N/A 0.810 in20.57 mm	N/A 0.810 in20.57 mm	N/A 0.880 in22.35 mm	N/A 1.060 in26.92 mm	N/A 1.310 in33.27 mm
Dimension P	N/A 0.440 in11.18 mm	N/A 0.440 in11.18 mm	N/A 0.440 in11.18 mm	N/A 0.470 in11.94 mm	N/A 0.530 in13.46 mm
Dimension SL	N/A 0.250 in6.35 mm	N/A 0.250 in6.35 mm	N/A 0.250 in6.35 mm	N/A 0.290 in7.37 mm	N/A 0.290 in7.37 mm
Torsional Stiffness	N/A 229.00 in·lb/rad	N/A 229.00 in·lb/rad	N/A 458.00 in·lb/rad	N/A 916.00 in·lb/rad	N/A 1718.00 in·lb/rad
Rated HP at 100 rpm	N/A 0.10 hp	N/A 0.10 hp	N/A 0.20 hp	N/A 0.40 hp	N/A 0.70 hp
Rated HP at 1,200 rpm	N/A 1.10 hp	N/A 1.10 hp	N/A 2.30 hp	N/A 4.60 hp	N/A 8.60 hp
Rated HP at 1,800 rpm	N/A 1.70 hp	N/A 1.70 hp	N/A 3.40 hp	N/A 6.90 hp	N/A 12.90 hp
Rated HP at 3,600 rpm	N/A 3.40 hp	N/A 3.40 hp	N/A 6.90 hp	N/A 13.70 hp	N/A 25.70 hp
Coupling Type	N/A S-Flex
Weight	N/A 0.28 lb	N/A 0.30 lb	N/A 0.44 lb	N/A 1.22 lb	N/A 2.34 lb
Cubic inches	N/A 3.44399 in³	N/A 3.44399 in³	N/A 5.32541 in³	N/A 11.19625 in³	N/A 20.96000 in³