Round Bore Hubs and Muff Couplings

The Mechaface Round bore hubs and muff coupling range is a select group of power transmission products manufactured by OEM Dynamics. These products are usually stocked in a US warehouse facility near Chicago. For full list of stock item visit OEMDYNAMICS.US

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

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

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