Quick Flex Stainless Finished Bore Coupler Half QF5S303X19MM

Overview
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Product Description

Product Features

Solid and split covers handle high speeds and torque

Design dampens torsional vibration and shock

Accepts shaft misalignment up to 2 degrees

Eliminates the need to move or disassemble the driving or driven equipment to replace the coupling insert

Versatility of design makes it a great tool for plant standardization

Accepts shaft sizes from 10 ~ 285 mm (0.37 ~ 11.25")

Peak handling torque from 0.085 ~ 377.5 knm (754 ~ 3,341,562 in.-lbs.)

Standard and double-ended spacer couplings available for shaft separations of 25.4 to 3,048 mm (1 ~ 120"), for increased application acceptance

Four bore options available to meet customers needs:
1) Bored, keyed and set screw style ~ clearance or interference fit
2) Bushing style (Dodge®, Browning® & QD style taper lock bushings)
3) Splined style
4) Mill-motor style (tapered shaft)

Stainless steel versions available for corrosive environments

Four insert choices for varying torque needs and temperature ranges, up to 177°C (350°F)

Replaces many common gear, grid and elastomeric couplings used in high and low torque applications to reduce plant complexity

Inherently balanced from precision machining of all components

Split-cover options help resist axial separating force under high torque

Standard finished bore hubs are supplied with a clearance fit and should slide onto the shaft without excessive force. There is no suffix designating a clearance fit

If the hub has been ordered with interference fit, designated by the suffix "U", then industry standards suggest heating the coupling halves to approximately 300° C (572° F) before installing on shafts. If they are not heated properly, the couplings will not fit on the hub properly

Timken Quick Flex Catalog

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Custom Field

Component type Coupler half

Shaft engagement Factory finished bore KW/SS

Finished bore tolerance Clearance fit

Material 303 Stainless steel

*Note Coupler halves typically stocked in plain bore or taper lock design - please contact us for custom shaft sizes

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