Overview

CB clutch is an ideal match for clutch as well as brake applications in operations that are high speed and cyclical. They are also suitable for coupling and general transmission of power.The sidewalls of an adaptable neoprene and cord actuating tube are used for delivering torsional resilience through power transmission. This enables the units to accommodate minor shaft alignment issues.

Torque up to 1,160,000 lb.in / 131,000 N.m

Reputed International manufacturer is EATON.

Reputed Chinese manufacturer as follow,DALIN,HANDONG,Rubflex

 

Application

Oilfield machinery
Printing machinery
Rubber-processing machinery
Tire-building machinery
Metal-forming machinery

Punch uncoiler machinery

Mold press machinery

Boat/Marine

 

Features:

1.Small appearance, but can transmit a lot of rotating force.
2. It has strong durability and wear resistance.
3. Long product life, safe and convenient operation.
4. The clutch can be easily installed or uninstalled when transmitting power.

 

How to Work

Typically, an engine comes with an output shaft, and this is located near the flywheel. The clutch is a type of device that comes in a system of grabbing disks or plates, which engage power from the machinery’s flywheel and transfer this power to the transmission.

 

Size Torque Rating  D2 D24 D25 G G1 H₂ H6 H7 L Bolt   O³ O4 Q  V W
No. Diameter Deg No. Width
3CB150 40.7  55 30   2 160.0 123 146.0 80 146 8 6 7 1/8-27 22.500  9 6 38
4CB200 113  67 35   2 184.1 148 169.9 105 170 8 6 5 1/8-27 22.500  10 6 51
5CB200 165  72 38   2 224.0 183 205.0 131 205 8 8 7 1/8-27 22.500  12 6 51
6CB200 231  75 40   2 273.1 230 254.0 156 254 8 10 8 3/8-18 22.500  14 6 51
8CB250 485  87 48   2 327.0 284 308.0 207 308 8 10 8 3/8-18 22.500  14 8 64
10CB300 921  105 51   5 390.5 346 371.5 257 371 12 10 8 3/8-18 15.000  17 10 76
12CB350 1500  120 51   5 447.7 403 428.6 308 429 14 10 8 3/8-18 12.857  17 12 89
14CB400 2230  133 51   5 498.5 454 479.4 359 479 16 10 8 3/8-18 11.250  17 14 102
SI N.m       Dimensions in millimeters
@5.2bar

 

3CB150 ， 4CB200 ， 5CB200 ， 6CB200 ， 8CB250 ， 10CB300 ， 12CB350 ， 14CB400 ， 16CB500 ， 18CB500 ， 20CB500 ， 22CB500 ， 24CB500 ， 26CB525 ， 28CB525 ， 30CB525 ， 32CB525 ， 36CB525 ， 40CB525 ， 45CB525

I. Eaton Airflex Pneumatic Clutch Series

(A) VC Series (Heavy-Duty, 5.2bar)

Positioning: Designed for heavy-duty applications in mining, metallurgy, etc., featuring high torque ratings.
Models & Key Specifications:

 

  • 5VC500 (3,050Nm), 14VC500 (4,430Nm), 16VC600 (7,350Nm), 20VC600 (10,500Nm), 24VC650 (13,300Nm), 28VC650 (20,600Nm), 33VC650 (28,800Nm), 37VC650 (36,200Nm), 42VC650 (42,900Nm).
    Features: Large dimensions, multi-bolt configuration, Eaton-exclusive mounting hole codes (e.g., 2003/8/18).

(B) CB Series (Medium-to-Heavy-Duty, 5.2bar)

Positioning: Optimized for medium-duty applications such as conveyors and pumps, prioritizing compact installation.
Basic Models:

 

  • 3CB150 (40.7Nm), 4CB200 (113Nm), 5CB200 (165Nm), 6CB200 (231Nm), 8CB250 (485Nm), 10CB300 (921Nm), 12CB350 (1,500Nm), 14CB400 (2,230Nm).
    Extended Models (High Torque):
  • 16CB500 (3,980Nm), 18CB500 (4,970Nm), 20CB500 (6,060Nm), 22CB500 (7,040Nm), 24CB500 (8,480Nm), 26CB525 (10,400Nm), 28CB525 (12,000Nm), 30CB525 (13,700Nm), 32CB525 (15,500Nm), 36CB525 (19,400Nm), 40CB525 (23,800Nm), 45CB525 (29,400Nm).
    Features: Wide torque range, mounting holes compatible with both Eaton and standard codes, dimensions scaled with torque ratings.

II. General-Purpose Series (LT/DY/CBC Series, Multi-Brand Compatibility)

(A) LT Series (Heavy-Duty Variable Conditions, Dynamic Performance Focus)

Positioning: Engineered for heavy-duty, variable-speed applications in mining and metallurgy, requiring precise air supply matching.
Models & Key Specifications:

 

  • LT500/200, LT500/250, LT600/250, LT700/250, LT800/250, LT900/250, LT1070/200, LT1170/250, LT1120/300, LT1250/300, LT965×305, LT1168×305, LT300/100, LT400/125, LT500/125, LT600/125, LT700/200, LT800/135.
    Features: Dual torque ratings (rated/limited), specified speed ranges, explicit pneumatic volume/pressure parameters, connection tolerances (e.g., Φ300H8).

(B) DY Series (Single Model, Medium-to-Heavy-Duty)

Positioning: Tailored for specific medium-to-heavy-duty equipment requiring air supply adaptation.
Model: DY700/135 (Rated: 907–1,092Nm; Limited: 24,560–35,360Nm; 5.2bar).

(C) CBC Series (Single Model, Medium-to-Heavy-Duty)

Positioning: Designed for medium-to-heavy-duty transmissions with air supply compatibility.
Model: CBC700/135 (Rated: 687–881Nm; Limited: 22,350–32,660Nm; 5.2bar).

Summary of Core Differences

Dimension Eaton VC/CB Series General-Purpose LT/DY/CBC Series
Brand Compatibility Eaton-exclusive, ecosystem-integrated Multi-brand adaptable, independent design
Performance Focus Static mounting specifications (dimensions, holes) Dynamic performance (speed, dual torque)
System Integration Implicit air supply parameters (@5.2bar) Explicit pneumatic volume/pressure
Mounting Precision Eaton-specific codes (e.g., 2003/8/18) Engineering tolerances (e.g., Φ300H8)

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Contact info
What’s app +8615972752793
Luben@youlongpetro.com

 

You Long Petroleum Machinery Spares ltd.(YOU LONG PETRO) engages in the export of the petroleum equipment and materials and provides materials and equipment

for CNPC and SINOPEC’s overseas projects. Established in 2003,YOU LONG PETRO has started the manufacturing and

supplying of petroleum materials and equipment since 2003.YOU LONG PETRO has provided its products and

services to 36 countries and regions across the globe.YOU LONG PETRO’s export performance has come

out top in central enterprises in successive years and it has been acknowledged as China’s largest supplier of

petroleum and petrochemical materials，which is based on design,production,sale and technical service.Our products are completely interchangeable

with the following enterprises.
The products are asfollows:
1、Drilling mud pump parts(Bomco, HH, Rongsheng, RJ etc.)
2、Oil drilling rig parts & Workover rig parts (RG, SJ,DFXK etc),
3、Parts for hydraulic disc brake (BPM,Boke,Bomco,RG)
4、ATDPush-plate clutch and parts & WCB2 Auxiliary brake parts.
5、ZQ Drill pipe power tongs and parts,TQ Series of casing power tongs and parts.
6、CB/LT series:Air tube clutch and parts.
7、Agent products such as: Bearings, Chains, Cardan shaft,V-belt,engine etc

 

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