LORD CBC Series Two-Piece Rubber Mount

Part # CBC35-2-7

LORD Two-Piece Mounts are designed for applications involving severe dynamic forces in both the static load direction and the rebound direction. Travel in both directions is limited by rubber compression, which provides snubbing.

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Max Axial Static Load Rating at Deflection 500 lbs at 0.5 in / 2225 N at 1.27 mm
Bolt Size 7/8" / M20
Bolt Grade or Class 8 SAE J429 / 10.9 SAE J1199
Washer Part Number J-2049-72
Part No. CBB45-2-9 | CBB4529
Manufacturer LORD Corporation
Part Category Vibration Control
Part Section Two-Piece Mounts
Part Type Two-Piece Mount - CBB & CBC Series
Part Status
Call +1 800 657-0747 or use the
webform to the right on this page
Part Alternative
Call +1 800 657-0747  or use the
webform to the right on this page


Catalog Page No.
Catalog Section Page No.
Rubber Parts Catalog Two-Piece Mounts Page 4
LORD PC7000 Two-Piece Mounts Page 70
LORD PC2201m Two-Piece Mounts Page 64



Dimensions Technical Drawing
Dimension Measurement Note  
A 3.50 in / 88.9 mm  
B 0.938 in / 23.8 mm  
C 2.23 in / 56.6 mm  
D 1.60 in / 40.6 mm Reference
E 1.44 in / 36.6 mm  
F 1.04 in / 26.4 mm  
G 0.94 in / 23.9 mm  
H 2.88 in / 73.2 mm  
Sd 2.26 in / 57.5 mm +/-0.015
R 0.12 in / 3.1 mm  
T 1.00 in / 25.4 mm  
Bolt -  Size (English/Metric) 7/8" / M20  
Bolt - Grade or Class (SAE J429/J1199) 8 / 10.9 **

NOTES: Red figures are metric reference.

NOTE - * - For tightening torque information, refer to Tightening Torque Charts section.


***Notes only apply if called out in table***


  1. These loads are for on-highway and general industrial applications. For off-highway, use 90% of the load shown.
  2. Installed dimensions are under no load
  3. Other parts available in the series, Contact Lord




Snubbing Washers

Snubbing washers provide an interlocking system of metal parts which act to prevent damage from overload or excessive shock impact. Steel washers are plated.






Series No. Washer Part No. O.D I.D. Thickness



J-2049-72 4.00 in. (101.6 mm) 0.134 in. (3.4 mm) 0.95 in. (24.1 mm)







Notes: Red figures are metric reference.


Features and Benefits

  • Dynamically effective in all directions
  • Prevent mechanical transmission noise
  • Accomodares misalignment and distortion
  • High rebound capacity
  • Easy to install with common tools
  • Standard bolt torque assures proper assembly
  • Top and bottom parts are alike, cannot be misassembled
  • Fail-safe assembly
  • Sized for English and Metric bolts
  • Long dependable service life
  • Economical

NOTE - *

For tightening torque information, refer to Tightening Torque Charts section.


  1. Red figures are metric reference.

Custom Designs

Customized designs and special elastomer compounds for specific problems are available. These may result in spring rates and dimensions other than shown.

A part’s listing on this website does not guarantee its availability.




Custom Parts

Our custom molding department can make a part just for your application.


Would you like some assistance in selecting the right mount for your application?  Our engineering department can help.  Please call or use the webform below.  We will be glad to assist.

Not what you are looking for?

Our knowledgeable staff can assist you with whatever you need.  From Special Packaging, Overnight shipments to applications engineering. DeltaFlex is ready to help find a solution.

Engineering Assistance

"Frequently vibration isolation problems require a system engineering analysis..." - Put us to work for you.

DeltaFlex has the computer capability, as well as specialized programs, for analyzing engine/transmission combinations. The output from these analyses is a mounting proposal which optimizes performance over the complete range of operating speeds. This service is available to you upon request. If you require this type of engineering assistance please call 800.657.0747 we will be glad to assist you.

What is the impact of Vibration Control?

The biggest impact that vibration isolation can have, is with the end users of our customers products, more importantly their perception of the quality of those products.

Values states herein represent typical values as not all test are run on each lot produced. For formalized product specifications or specific product end uses, contact Customer Service 262.632.2345.

A part’s listing on this website does not guarantee its availability.