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McGill MI 48 N precision-ground needle roller inner race, size 48, alternate width variant. Built from 52100 bearing steel, this inner ring is designed for use with CAGEROL (MR series) and GUIDEROL (GR series) outer assemblies. Sold individually to allow the bearing assembly to run on a hardened ground shaft when one is unavailable.
MODEL MI 48 N
Contact supplier for technical support on: 800-626-2120
$73.23 Each
Prices are subject to change
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Returnable: See conditions
Bore Type
Straight
Component Type
Inner ring only
Enclosure
Open
Height
3.62
Hole Diameter (in)
0.25
Includes Inner Ring
Yes
Length
3.62
Material
52100 Bearing Steel
Outer Width (in)
1.76
Overall Width (in)
1.76
Radial Clearance
Normal
Rolling Element
Needle Roller
Sealed
None
Series
Narrow
Regal Beloit Mcgill&Reg; MI 48 N
UPC: 726166000790 | UNSPSC: 31171500 | GTIN:
Bearings > Roller Bearings > Bearing Inner Rings
McGill® Machined Separable Inner Ring, Narrow, Series: MI Series, 3 in Inside Dia, 3.4987 in Outside Dia, 1.76 in Overall Width, For Use With: GUIDEROL® GR 56 N, CAGEROL® MR 56 N Bearing, Round/Spherical Bore, Lubrication Hole Lubrication Hole, Chrome Steel
Features:
- AMBA standard 18.2 precision rating
- Thru hardened precision ground rings construction
Specs:
- Lubrication Hole Type: Lubrication Hole
- Bore Type: Round/Spherical
- Overall Width: 1.76 in
- Inside Diameter: 3 in
- Outside Diameter: 3.4987 in
- Material: Chrome Steel
- Suitable For Use With: GUIDEROL® GR 56 N, CAGEROL® MR 56 N Bearing
- Type: Narrow
- Series: MI Series
Packaging:
- Length: 3.62 in
- Width: 2.12 in
- Height: 3.62 in
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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