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Inner Ring (IR)

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  • Ideal choice where the shaft is not practical to use as inner raceway.
  • Designed to meet established inch tolerances.
  • Maximum shaft fillet radius cannot exceed inner-ring bore chamfer as shown.
  • Optional centralized lubrication groove (bore) or through hole available – specify when ordering.
  • Designed to be axially clamped against shoulder for loose transition fit on shaft.
  • After mounting, for tight transition fit (keeping inner ring from rotating relative to shaft), inner-ring O.D. must not exceed raceway diameter on matching bearing.
  • After mounting, if O.D. of inner ring exceeds the required raceway diameter for matching bearing, ring should be ground to proper diameter while mounted on shaft.
  • Unmarked end of inner ring to be assembled against the shaft shoulder to ensure clearing the maximum allowable shaft fillet as indicated in tables shown.





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·  Inner Ring (IR)-2

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Part Number

Shaft Diameter

Dimension D

Dimension F

Dimension B

Max. Loose Transition Fit S

CAD

IR-506032 3.125 in 3.125 in
79.375
mm
3.7500 in
95.250
mm
2 in
50.8
mm
3.1246 in
79.365
mm
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IR-526032 3.25 in 3.250 in
82.55
mm
3.7500 in
95.250
mm
2 in
50.8
mm
3.2495 in
82.537
mm
CAD Icon (for items table)
IR-526432 3.25 in 3.250 in
82.55
mm
4 in
101.600
mm
2 in
50.8
mm
3.2495 in
82.537
mm
CAD Icon (for items table)
IR-546432 3.375 in 3.375 in
85.725
mm
4 in
101.600
mm
2 in
50.8
mm
3.3745 in
85.712
mm
CAD Icon (for items table)
IR-566432 3.50 in 3.500 in
88.9
mm
4 in
101.600
mm
2 in
50.8
mm
3.4995 in
88.887
mm
CAD Icon (for items table)
IR-566832 3.50 in 3.500 in
88.9
mm
4.25 in
107.95
mm
2 in
50.8
mm
3.4995 in
88.887
mm
CAD Icon (for items table)
IR-606832 3.750 in 3.750 in
95.25
mm
4.25 in
107.95
mm
2 in
50.8
mm
3.7495 in
95.237
mm
CAD Icon (for items table)
IR-607236 3.750 in 3.750 in
95.25
mm
4.5000 in
114.300
mm
2.2500 in
57.150
mm
3.7495 in
95.237
mm
CAD Icon (for items table)
IR-607240 3.750 in 3.750 in
95.25
mm
4.5000 in
114.300
mm
2.5000 in
63.500
mm
3.7495 in
95.237
mm
CAD Icon (for items table)
IR-648036 4 in 4.000 in
101.6
mm
5 in
127
mm
2.2500 in
57.150
mm
3.9995 in
101.587
mm
CAD Icon (for items table)
IR-648040 4 in 4.000 in
101.6
mm
5 in
127
mm
2.5000 in
63.500
mm
3.9995 in
101.587
mm
CAD Icon (for items table)
IR-688036 4.25 in 4.250 in
107.95
mm
5 in
127
mm
2.2500 in
57.150
mm
4.2495 in
107.937
mm
CAD Icon (for items table)
IR-728840 4.50 in 4.500 in
114.3
mm
5.5000 in
139.700
mm
2.5000 in
63.500
mm
4.4995 in
114.287
mm
CAD Icon (for items table)
IR-728848 4.50 in 4.500 in
114.3
mm
5.5000 in
139.700
mm
3 in
76.2
mm
4.4995 in
114.287
mm
CAD Icon (for items table)
IR-769248 4.750 in 4.750 in
120.65
mm
5.7500 in
146.050
mm
3 in
76.2
mm
4.7494 in
120.635
mm
CAD Icon (for items table)
IR-809640 5 in 5.000 in
127
mm
6 in
152.400
mm
2.5000 in
63.500
mm
4.9994 in
126.985
mm
CAD Icon (for items table)
IR-809648 5 in 5.000 in
127
mm
6 in
152.400
mm
3 in
76.2
mm
4.9994 in
126.985
mm
CAD Icon (for items table)
IR-8810440 5.5 in 5.500 in
139.7
mm
6 1/2 in
165.1
mm
2.5000 in
63.500
mm
5.4994 in
139.685
mm
CAD Icon (for items table)
IR-8810448 5.5 in 5.500 in
139.7
mm
6 1/2 in
165.1
mm
3 in
76.2
mm
5.4994 in
139.685
mm
CAD Icon (for items table)
IR-9611648 6.000 in 6.000 in
152.4
mm
7-1/4 in
184.150
mm
3 in
76.2
mm
5.9994 in
152.385
mm
CAD Icon (for items table)
IR-10412448 6.5 in 6.5 in
165.1
mm
7.7500 in
196.850
mm
3 in
76.2
mm
6.4994 in
165.085
mm
CAD Icon (for items table)
IR-11213248 7.000 in 7.000 in
177.8
mm
8-1/4 in
209.55
mm
3 in
76.2
mm
6.9994 in
177.785
mm
CAD Icon (for items table)
IR-12014048 7.500 in 7.500 in
190.5
mm
8-3/4 in
222.250
mm
3 in
76.2
mm
7.4994 in
190.485
mm
CAD Icon (for items table)
IR-12814848 8.000 in 8.000 in
203.2
mm
9.25 in
234.95
mm
3 in
76.2
mm
7.9994 in
203.185
mm
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  Results 1 - 24 of 24 1