ISO

Example part # Example part number
Internal Fit
Seals Silverthin Part #
Chrome Plated
Silverthin
Stainless Steel
selection codes AA, A, B, C, U, D, F, G
contact type: Angular, Duplexed, Radial, 4 Point
Silverthin Part numbering
Type C and X
A .0000 to .0005 clearance
B .0000 to .0010 clearance
C .0005 to .0010 clearance
D .0005 to .0015 clearance
E .0010 to .0020 clearance
F .0015 to .0025 clearance
G .0020 to .0030 clearance
H .0030 to .0040 clearance
I .0040 to .0050 clearance
J .0050 to .0060 clearance
K .0000 to .0005 preload
L .0000 to .0010 preload
M .0005 to .0010 preload
N .0005 to .0015 preload
P .0010 to .0020 preload
Z special
  Diametral Preload or
  Clearance for Type X or C

Axial Preload or Clearance
  for Duplexed Type A
Note: Above internal bearing fits apply to unmounted bearings only.
Please contact the factory for installation fits on the above
custom clearances and preloads.
Precision Class
0 = Class 1
3 = Class 3
5 = Class 5
contact type: Angular, Duplexed, Radial, 4 Point
bearing seperator
bearing seperator
N  Nylon, segmented “Snapover”       C & X
P  Brass, “Snapover” C & X
L  Nylon, one piece, “Snapover”       
C & X
D  Phenolic, one piece
      “Snapover” C & X
T  Stainless steel, one piece
      “Snapover” C & X

R  Brass, one piece, circular
      pocket A
Nylon, circular pocket A
H  Phenolic, one piece,
      circular pocket A
Stainless steel, one piece,
      circular pocket A
F  Full complement, no retainer,
filling slot required for C & X style
X  Special

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SILVERTHIN BEARING GROUP
of Mechatronics, Inc.
toll free 866.294.5841 • fax 425.222.7535
e-mail sales@silverthin.com