IRB MI LRB Inner Ring（INCH）

Inner ring is precisely processed by Gcr15 chrome steel,mainly using in condition that the shaft can not be directly used as the rolling road. So as to achieve the purpose of auxiliary installation,Standard inner ring are processed according to the P0 dimensional tolerances and geometric accuracy.

 

Main characteristic

►High hardness, big rigidness

►Big specifications, easy to choose

►Big range of size

 

Material GCr15 chrome steel
Process Lathing  Grinding
Heat treatment Quenching

 

Metric Inch Structure instruction
IR IRB、MI Standard tolerance, End face grounded
LR LRB, Big tolerance, End face not grounded
IRT Standard tolerance, With oil groove, End face grounded
LRT Big tolerance, With oil groove, End face not grounded
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Description

Image and structure of IRB MI LRB Inner Ring（INCH）

Detail dimension of

IRB MI LRB Inner Ring（INCH）

Model
Shaft Mass Dimensions
mm g d F B
12.7 LRB81212 23.5 12.7 19.05 19.05
LRB81216 31 12.7 19.05 25.4
15.875 LRB101412 28 15.875 22.225 19.05
LRB101416 37.5 15.875 22.225 25.4
19.05 LRB121612 33 19.05 25.4 19.05
LRB121616 44 19.05 25.4 25.4
22.225 LRB141816 50 22.225 28.575 25.4
LRB141820 62 22.225 28.575 31.75
25.4 LRB162016 56 25.4 31.75 25.4
LRB162020 72 25.4 31.75 31.75
28.575 LRB182216 63 28.575 34.925 25.4
LRB182220 77 28.575 34.925 31.75
31.75 LRB202406 71 31.75 38.1 25.4
LRB202420 86 31.75 38.1 31.75
34.925 LRB222616 77 34.925 41.275 25.4
LRB222620 96 34.925 41.275 31.75
38.1 LRB242816 80 38.1 44.45 25.4
LRB242820 100 38.1 44.45 31.75
LRB243020 155 38.1 47.625 31.75
41.275 LRB263212 135 41.275 50.8 25.4
LRB263220 170 41.275 50.8 31.75
44.45 LRB283624 300 44.45 57.45 38.1
LRB283628 345 44.45 57.45 44.45
50.8 LRB324024 335 50.8 63.5 38.1
LRB324028 390 50.8 63.5 44.45
57.15 LRB364424 375 57.15 69.85 38.1
LRB364428 440 57.15 69.85 44.45
63.5 LRB404824 410 63.5 76.5 38.1
LRB404828 480 63.5 76.5 44.45
69.85 LRB445228 530 69.85 82.55 44.45
LRB445232 600 69.85 82.55 50.8
76.2 LRB485632 640 76.2 88.9 50.8
82.55 LRB526032 690 82.55 95.25 50.8
88.9 LRB566432 750 88.9 101.6 50.8

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