Ring Types

 

Series
Inch/Metric
 
Material
Ring Description
 
AN
Inch
 
Stainless, Carbon, Hastelloy, Monel
AN rings have corrugations that face inward. They are open in the free state, so that when installed inside a bore, the ring conforms to the bore and is self-retaining. AN rings are designed to fit outside a nominal circumference.
AN
Metric
 
Stainless, Carbon, Hastelloy, Monel
AN Over-lapped
 
 
Stainless
AN Overlapped, like an AN ring, but overlapped in the free state condition.
ANL
Inch
 
Stainless, Carbon, Hastelloy, Monel
ANL rings are light-duty versions of AN rings. The material that is used is very thin, so ANL rings do not maintain a circular shape in their free state. All ring .004 inch thick martial.
ANL
Metric
 
Stainless, Carbon, Hastelloy, Monel
ANLT
Metric
Tabbed
Stainless, Carbon, Hastelloy, Monel
ANLT, tabbed version of the ANL ring to prevent ring from walking out.
ANS
Metric
Flanged
Carbon
ANS, AN style ring with a flange on one side for placement in a housing groove, angled planish.
ANT
Inch
Tabbed
Stainless
ANT, Tabbed version of the AN ring to prevent ring from walking out.
ANT
Metric
Tabbed
Stainless
BN
Inch
 
Stainless, Carbon, Hastelloy, Monel
BN rings feature corrugations that face outward. They are designed to have a free state diameter smaller than the shaft diameter over which they will be installed. BN rings are cut to fit inside a nominal circumference.
BN
Metric
 
Stainless, Carbon, Hastelloy, Monel
CRSV
Metric
 
Stainless
CRSV, Crown Ring with fingers, made for press tooling, provide low assembly forces over a broad tolerance range.
CRHV
Metric
 
Stainless
CRHV, Crown ring with fingers facing inward.
HVD
Metric
 
Stainless, Carbon
AN ring with two or more bands of waves.
SH
Metric
Shim
Stainless, Carbon
SH, no waves.
SHT
Metric
Tabbed
Stainless, Carbon
SHT, no waves tabbed.
SV
Metric
 
Stainless
SV European equivalent of BN Ring.
SVB
Metric
Blisters
Stainless, Carbon
BN style ring with blisters, rather than waves.
SVD
Metric
 
Stainless, Carbon
SVD, BN ring with two or more bands of waves.
SVDF
Metric
 
Stainless
SVDF, BN Ring with two or more bands of waves with an outward flange, usually curled as AN for assembly reasons.
SVM
Metric
 
Stainless
SVM, BN style ring with multi rows.
TR
Inch
 
Stainless
The TR series is used for repair of worn or oversized housings. See the section of the website called "Repair/Refurbish" for a full list of TR Rings and purchasing information.

 

 


USA TOLERANCE RINGS
85 Route 31 North, Pennington, New Jersey 08534
phone:609-745-5000; fax:609-745-5012