Precision Universal Joints | Single, Double & Telescopic | High Speed

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Precision Universal Joint – Single, Double & Telescopic Joints for Industrial Drives

Model Number
Check below, custom

Product Description

Precision Universal Joints from Apexcoupling provide reliable angular transmission for industrial drive systems. Available in single, double, telescopic, and needle bearing configurations, these joints accommodate shaft angles up to 45° while delivering smooth, efficient power transfer. With extensive stock and full customization capabilities, we offer solutions for virtually any application requiring flexible shaft connections at angle.

Multiple Configurations – Single, double, telescopic, and needle bearing types available
High Angular Capacity – Each joint accommodates up to 45° operating angle
Speed Options – Sliding bearing types up to 1000 rpm; needle bearing types up to 4000 rpm
Precision Machining – H7 bore tolerance for accurate shaft fit
Extensive Stock – Wide range of standard sizes ready for immediate shipment
Custom Capabilities – Various materials, bore types (keyway, hex, square), and special lengths

Parameter	Value
Model Series	WSP, UNCA, UNCW, WXD, WX
Material Options	42CrMo, Aluminum Alloy, Steel
Max. Operating Angle	45° per joint
Speed Range	Sliding bearing: up to 1000 rpm; Needle bearing: up to 4000 rpm
Rated Torque	11.2 – 1120 N·m
Bore Tolerance	H7 standard
Bore Types	Round, hex, square, keyway, set screw
Customization	Length, material, bore type, locking mechanism

WSP Series – Stretchable Compact Cross-axis Universal Joint

Model	Bore (mm)	Outer Dia. (mm)	Length (mm)	Extended Length (mm)
WSP-03GA	12	20	140	170
WSP-1GA	16	32	190	220
WSP-3GA	20	42	250	300
WSP-5GA	25	50	295	345
WSP-7GA	35	70	350	400

UNCA Series – Single-section Universal Joint

Model	Bore (mm)	Outer Dia. (mm)	Length (mm)
UNCA-10	10	20	42
UNCA-16	16	32	74
UNCA-20	20	36	87
UNCA-25	25	45	105
UNCA-30	30	50	122

UNCW Series – Double-Joint Universal Joint

Model	Bore (mm)	Outer Dia. (mm)	Length (mm)
UNCW-10	10	20	67.5
UNCW-16	16	32	117.5
UNCW-20	20	36	139

WXD/WX Series – Single/Dual-Stage Precision Universal Joints

Model	Type	Bore (mm)	Outer Dia. (mm)	Length (mm)
WXD2	Single	12	20	64
WXD5	Single	22	40	116
WX2	Double	12	20	90
WX5	Double	22	40	164

Complete size list available upon request or as downloadable PDF.

WSP Series (Extensible Small Cross-axis Universal Joint)

Per JB/T5901-1991 standard
Each joint accommodates up to 45° operating angle
Telescopic design allows for variable shaft spacing
H7 bore tolerance standard; keyway, hex, square available

UNCA/UNCW Series (Single/Double Universal Joints)

Single joint (UNCA) for simple angular compensation
Double joint (UNCW) for parallel offset applications
Compact design suitable for limited space

WXD/WX Series (Precision Universal Joint)

Precision ground components for high accuracy
Needle bearing option for higher speed applications
Smooth operation with minimal backlash

Packaging machinery
Printing presses
Textile equipment
Food processing machinery
Agricultural equipment
Material handling systems
Industrial automation
Paper manufacturing
Woodworking machinery
Conveyor systems

As a factory-direct manufacturer, we offer:

Materials: 42CrMo for high strength, aluminum alloy for lightweight applications
Bore Types: Round, hex, square, keyway, set screw
Special Lengths: Customized for specific shaft spacing requirements
Fast Locking: Quick lock mechanisms available for rapid installation
Non-Standard Sizes: Custom dimensions upon request