Taper Bore R Coupling
Taper Bore R Coupling
Note：
Consult engineering for larger sizes.
Flex hubs or rigid hubs can be provided with either inboard or outboard mount bores.
Unless otherwise specified standard mount with inboard – inboard hubs supplied.
Maximum angular misalignment 1 1/2° per gear mesh. For optimum performance, combined angular and offset misalignment should not exceed 3/4° per gear mesh. Application requirements in excess of 3/4° misalignment per flex half coupling should be referred to SCI.
Diameter Data
Table 1
| Size | Bushing
Size |
Torque Rating (IB-in) | HP per 100RPM | Max RPM | Max Bore | Min Bore | GAP | BE | Cover Fasteners | |
| Size | Hex Tool | |||||||||
| 5R | 1108 | 550 | 0.87 | 4500 | 1.125 | 0.500 | 0.078 | 0.78 | M4 | M2.5 |
| 10R | 1210 | 1150 | 1.82 | 4500 | 1.250 | 0.500 | 0.078 | 0.94 | M4 | M2.5 |
| 20R | 1610 | 2800 | 4.44 | 4500 | 1.688 | 0.500 | 0.078 | 1.26 | M6 | M4 |
| 30R | 2012 | 4600 | 7.30 | 4500 | 2.125 | 0.500 | 0.078 | 1.42 | M6 | M4 |
| 40R | 2517 | 9100 | 14.4 | 3600 | 2.688 | 0.500 | 0.197 | 1.84 | M8 | M5 |
| 50R | 3020 | 22200 | 35.2 | 3000 | 3.250 | 0.875 | 0.197 | 2.39 | M8 | M5 |
| 60R | 4040 | 35500 | 56.3 | 2500 | 4.438 | 1.438 | 0.197 | 2.96 | M10 | M6 |
| 70R | 4545 | 70900 | 112 | 2100 | 4.938 | 1.938 | 0.197 | 3.31 | M10 | M6 |
| 80R | 5050 | 126000 | 200 | 1800 | 5.313 | 2.438 | 0.236 | 3.82 | M10 | M6 |
Table 2
| Size | B | C | D | F | H | L | M | TL | ||
| Standard Hex Key | Short Hex Key | Standard Hex Key | Short Hex Key | |||||||
| 5R | 2.56 | 0.89 | 2.36 | 2.520 | 0.59 | 1.13 | 0.63 | 1.25 | 0.75 | 0.875 |
| 10R | 3.54 | 1.30 | 2.84 | 2.992 | 0.75 | 1.38 | 0.81 | 1.63 | 1.06 | 1.000 |
| 20R | 3.86 | 1.30 | 3.62 | 4.016 | 0.98 | 1.38 | 0.81 | 1.63 | 1.06 | 1.000 |
| 30R | 4.72 | 1.65 | 4.13 | 4.646 | 1.14 | 1.56 | 0.94 | 2.00 | 1.38 | 1.250 |
| 40R | 5.46 | 1.81 | 5.12 | 5.906 | 1.34 | 1.63 | 1.00 | 2.25 | 1.63 | 1.750 |
| 50R | 6.72 | 2.17 | 7.01 | 7.480 | 1.81 | 1.81 | 1.19 | 2.69 | 2.06 | 2.000 |
| 60R | 10.84 | 3.94 | 8.25 | 8.976 | 2.37 | 2.38 | 1.63 | 4.13 | 3.38 | 4.000 |
| 70R | 12.37 | 4.53 | 9.88 | 10.630 | 2.74 | 2.63 | 1.94 | 4.75 | 4.06 | 4.500 |
| 80 | 13.90 | 5.04 | 10.63 | 12.913 | 3.28 | 2.81 | 2.31 | 5.25 | 4.81 | 5.000 |
About us
We are a manufacturing company specializing in transmission components, committed to delivering high-quality products and customized solutions. Equipped with advanced manufacturing facilities and a skilled technical team, we cater to diverse needs across various industries. Whether in automotive, mechanical manufacturing, or other industrial sectors, we have earned customer trust through exceptional quality and reliability.
Through continuous innovation and ongoing improvement, we ensure our products remain competitive in the market, providing optimal value and service to our clients.
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How to choose power transmissions parts and industrial products which meet our requirement
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We are a group of factories, give customer one stop solution of power transmission and industrial products. We are in the position to supply wide range of products, including chains, sprockets, v-belt and v-belt pulleys, timing belt and timing belt pulleys, gears, speed reducers, motors, racks, couplings, and many other parts, like locking assembly, taper bushing, Chain guide, shaft collar, torque limiter, cam clutch, universal joint, motor base and motor slide, rod end, clevis, rubber mount, etc. We make special parts according to drawings and/or samples.
How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.
What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.
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