Round Bore Hubs and Couplings

Round Bore

Round Bore Weld In Hubs
Round Bore Muff Couplings

For connecting Hydraulic Orbit Motors to fabricated Winch Drums and Mixer Paddles, Electric Motor Sprocket Hubs and Machine Bosses. Manufactured from K1045 mild steel. Bore tolerance + 0.03 mm to + 0.06 mm. Machined spigot dim. “C” tolerance +0.02 mm to + 0.05 mm. Finish is black Colorsal. Other sizes may be available - contact our sales office for other sizes.

Bore	Keyway	A	B	C	D	Part Number
1/2”	None	58.5	63.5	58	49	91/80067
0.750”	0.187”	58.5	63.5	58	49	91/80013
19 mm	6 mm	58.5	63.5	58	49	91/80073
0.875”	#	58.5	63.5	58	49	91/80014
25 mm	8 mm	58.5	63.5	58	49	91/80026
1.000”	0.250”	58.5	63.5	58	49	91/80015
1.250”	0.312”	58.5	63.5	58	49	91/80024
24 mm	8 mm	58.5	63.5	58	49	91/80074
28 mm	8 mm	58.5	63.5	58	49	91/80075
30 mm	8 mm	58.5	63.5	58	49	91/80079
32 mm	10 mm	58.5	63.5	58	49	91/80080
1.375”	0.3125”	58.5	63.5	58	49	91/80065
35 mm	10 mm	58.5	63.5	58	49	91/80050
38 mm	10 mm	58.5	63.5	58	49	91/80051
1.500”	0.375”	58.5	63.5	58	49	91/80060
40 mm	12 mm	58.5	63.5	58	49	91/80052
42 mm	12 mm	58.5	63.5	58	49	91/80053
1.750”	0.437”	58.5	69.5	65	49	92/80061
45 mm	14 mm	58.5	70	65	49	92/80054
48 mm	14 mm	58.5	76.2	65	49	92/80055
50 mm	14 mm	58.5	76.2	65	49	92/80056
2.000”	0.500”	58.5	76	65	49	92/80062
55 mm	16 mm	58.5	80	75	49	92/80057
DIN 3 Taper	4 mm	58.5	63	58	49	91/80017

# Combination 3/16” and 1/4” keyway

Used for joining of shafts on pumps, electric motors, special machines or any application where a keyed round bore sleeve is required. The outside diameter is not necessarily held true with bore. Finish is black oxide rust preventative. Not threaded for set screw. Other sizes may be available - contact our sales office for other sizes.

Bore	Keyway	A	B	Part Number
19 mm	6 mm	70 mm	38.1 mm	95/60073
0.750”	0.187”	2.75”	1.50”	95/60013
20 mm	6 mm	70 mm	38.1 mm	95/60028
0.875”	0.250”	2.75”	1.50”	95/60084
25 mm	8 mm	2.75”	44.45 mm	95/60026
1.000”	0.250”	2.75”	1.75”	95/60015
1.062”	0.250”	2.75”	1.75”	95/60085
28 mm	8 mm	76 mm	50.8 mm	95/60075
30 mm	8 mm	76 mm	50.8 mm	95/60030
1.250”	#	3.00”	2.00”	95/60087
32 mm	10 mm	76 mm	50.8 mm	95/60080
1.312”	0.312”	3.00”	2.00”	95/60088
1.375”	0.312”	3.00”	2.25”	95/60065
1.437”	0.375”	3.00”	2.12”	95/60089
1.500”	0.375”	3.00”	2.25”	95/60060

# Combination 1/4” and 5/16” keyway for p/n 95/60087.