O-Flex RN Couplings Type RN/ RNS Size 140 A, B, H


Octaforce O-Flex 140 type B / N-Eupex 140 B/ RN 140 Couplings
O-Flex/ N-Eupex / RN - For Higher Torque- Distributor & Exporter of N-Eupex Couplings. Flange Materials available are Cast iron material, Grade – GG25. The N-Eupex 140 B Coupling Coupling consists of two standard Hubs with Rubber elastomers and pins.
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Octaforce O-Flex Couplings- N-Eupex Type Flexible Coupling
We deal in Standard O-Flex/ N- Eupex Type Flexible coupling . The O-flex 140, B Type coupling consists of 2 standard Cast iron Grade GG25 / FG100 Hubs.
Standard N-Eupex 140 B Type coupling with removable Hubs, Elastomers and Pins.
Easy Maintenance
Fail Safe
O-Flex 140 Type N-Eupex Coupling is available in Stock in our India warehouse . We have N-Eupex type coupling 140 B and its Spare Rubber Bushes size 140 B in Stock as well. We keep almost all N-Eupex 140 Type B-Couplings sizes for Ready Dispatch. Contact us for Pricing or Standard Pricelist.
Click here to request a N-eupex Coupling Catalogue PDF
Why O-Flex Type Couplings?
The 140 B N-Eupex type Cast iron coupling speed is limited to increased speeds of up to 4900 RPM, with rated torque of 363 nm. The maximum shaft diameter suitable for N-Eupex 140 B Coupling is 60 mm. Total Diameter of N-Eupex 140 B Coupling is 100 mm.
N-EUPEX 140 type B Pin couplings connect machines. They compensate for shaft misalignment, generating only low restorative forces. The torque is conducted through N-EUPEX 140 elastomer flexibles, so the coupling has typically flexible rubber properties. N-EUPEX couplings are overload-holding. By contrast, the N-EUPEX DS series is designed so that overload or advanced wear causes irreparable damage to the elastomer flexibles.
These RN Coupling 140 B are suitable for use in potentially explosive atmospheres. Complies with the current ATEX Directive for: II 2G Ex h IIC T6 ... T4 Gb X II 2D Ex h IIIC T85 °C ... 110 °C Db X I M2 Ex h Mb X N-EUPEX as overload-holding, fail-safe series N-EUPEX DS as overload-shedding, non-fail-safe series Benefits
N-EUPEX 140 B/A/H type couplings are designed on the modular principle and have a very simple construction. N-EUPEX 140 H with spacer types are made up of subassemblies to suit requirements. The RN H type couplings with Spacer are assembled by simply fitting the coupling halves together and a spacer. Wear is restricted to the elastomer flexibles, which must be replaced at the end of their service life. Depending on type, the RN type elastomer flexibles can be changed without moving the coupled machines. The coupling parts are readily available from stock and are mostly finish-machined, i.e. with finished bore, keyway, set screw and balancing. Application The RN 140 A/B/H coupling is available as a catalog standard in 23 sizes with a rated torque of between 28 Nm and 71000 Nm. Our O-Flex coupling is suitable for ambient temperatures of between -30 °C and +80 °C. By using alternative N-Eupex elastomer flexibles, the permissible ambient temperature range can be extended to between -50 °C and +100 °C. Frequently, the RN coupling is used to connect the motor to the gear unit input shaft. The coupling is suitable especially for drives with uniform to average dynamic loads. Examples of applications are pump drives, ventilator drives or crane running gear. Furthermore, N-EUPEX couplings can be used as add-on couplings. In the case of drives with a diesel engine, N-EUPEX couplings are suitable for driven machines with a low mass moment of inertia. In the case of diesel engine drives, the actual dynamic coupling load should be checked by measurement or torsional vibration calculations.



Coupling Size | Flender Part Number | Octaforce Part Number | Rated Torque Nm. | KW @100 RPM | Rated Torque Nm. | KW @100 RPM | Rated Torque Nm. | KW @100 RPM | Max Speed (RPM) | Max. Bore (mm) | Dimensions (mm) | Weight Kg | M.I. (WR2) Kg-m2 | ||||||||||||||||||
Synthetic Rubber | Polyurethane | H-Trans | D1 | D2 | D3 | ∅A | ∅B1 | ∅B2 | ∅B3 | ∅B4 | L1 | L2 | T1 | T2 | T3 | T4 | M | DBSE | RN (B) | RN (A) | RNS (H) | RN (B) | RN (A) | RNS (H) | |||||||
140 A, B, H | N-Eupex 140 A, B, H | O-Flex 140 A, B, H | 363 | 3.80 | 545 | 5.70 | 908 | 9.50 | 4900 | 60 | 60 | 50 | 140 | 100 | 100 | 82 | 100 | 55 | 65 | 34 | 20 | 28 | 15 | 43 | 100 140 180 |
5.6 | 6 | 10.0 10.5 11.0 |
0.0070 | 0.0080 | 0.018 0.019 0.020 |