'L'Series - Jaw Couplings0 pages

‘L’ Series Jaw Couplings
Simple, economical design - fully
interchangeable with industry standards.
Te l : + 4 4 1 2 1 3 6 0 0 1 5 5

Cross has expanded its comprehensive family of quality
industrial couplings to include the Type ‘C’ Jaw...offering a
uniquely simple design combined with misalignment
capability and maximum economy.
‘L’ coupling contain only three components...two jaws and
one ‘spider’ insert. Power is transmitted between the jaw
halves by the insert, which is offered in a choice of four
materials to suit all the application characteristics and
horsepower requirements. All sizes are dimensionally
interchangeable with industry standards, making replacement
in existing installations easy and economical.
Type ‘L’ Jaw Couplings are designed for light to medium duty
applications up to 112 Kw at 1500 rpm, and are available for
shaft sizes from 1/8” (3.2mm) to 60mm.

‘L’ Series Couplings offer a choice of 4 insert types
for maximum versatility.
Buna-N

Morse Type ‘L’ Jaw Couplings are designed for applications
in the light-to-medium duty range, with capacities and
performance characteristics depending on the type of insert
used. For maximum versatility in selection, Morse offers four
different insert materials to suit the application.

This is the standard flexible insert material in Type ‘L’ Jaw
Couplings, serving the majority of applications. The
materials is an oil resistant rubber compound with excellent
flexibility and shock absorption; temperature range is –40˚C
to +100˚C.

Urethane
The urethane insert offers approximately 50% greater torque
capacity, than standard Buna-N, and in addition provides
good chemical resistance. Temperature is –35˚C to 70˚C.

Hytrel®

Hytrel

Urethane

Buna-N

Bronze

Bronze (Only used in ‘L’ Series)
This insert is intended exclusively for high torque, low
speed applications, up to 250 rpm only. Capacities are three
times those of standard Buna-N. The material offers
excellent resistance to oils, chemicals and extreme
temperatures –40˚C to +230˚C.

Performance Characteristics of Inserts
Material

Flexibility

Shock
Absorption

Oil
Resistance

Chemical
Resistance

Temperature
Range (˚C)

Angular
Misalignment

Parallel
Misalignment

Buna-N

Excellent

Excellent

Good

–

–40 to 100

1˚

0.4mm

Urethane

Good

Good

Good

Good

–35 to 70

1˚

0.4mm

Hytrel®

Fair

Fair

Excellent

Excellent

–50 to 120

1

/2˚

0.4mm

Bronze

–

–

Excellent

Excellent

–40 to 230

1

/2˚

0.25mm

Misalignment Capability - Simplified Installation and Maintenance
Since power is transmitted between the two halves of the Type ‘L’ Jaw coupling by the resilient insert, it is not necessary to have
perfect alignment between shafts. The elastomeric design permits angular misalignments up to 1˚ (1/2˚ for Hytrel and Bronze) and
parallel misalignment up to 0.4mm, greatly simplifying installation in all types of industrial applications. Maintenance is minimal;
the insert can be visually inspected, never needs lubrication, and in fact, the coupling can continue to transmit power even if the
elastomeric insert becomes severely damaged or destroyed - minimising downtime and increasing reliability.

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Email: sales@crossmorse.com

This tough flexible plastic material provides still greater
torque capacity, approximately three times that of standard
Buna-N, and superior temperature resistance with a range
of –50˚C to +120˚C. Oil and chemical resistance are
excellent.

Fax: +44 121 325 1079

Insert Selection