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Needle Roller Bearings
McGill MR 12 RSS/MI 8
MR Series 500
MR 12 is also available as
Series
Standard
Material
52100 Bearing Steel
Dynamic Load Rating (lb)
4,990
Includes Inner Ring
Yes
Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.
Product Overview
- Machined race needle bearing
- Retained (caged) needle rolling elements
- Annular lubrication groove
- Double rubber-lipped seals with both lips turned out
- With separable inner ring
- Material
- 52100 Bearing Steel
- Includes Inner Ring
- Yes
- Cage Material
- Steel
- Misalignment
- No
- Number of Rows
- 1
- Radial Clearance
- Normal
- Seal Type
- Rubber Lip
- Bore Type
- Straight
- Rolling Element
- Needle Roller
- Duplexing
- No
- Static Load Rating (lb)
- 5,400
- Housing & Shaft Fillet (in)
- 0.04
- Platform
- Cagerol Bearing
- Speed (Max) Oil
- 5,100
- Sealed
- Sealed - Both Sides
- Speed (Max) Grease
- 2,550
- Bore Size - Inch
- 0.5Shaft size chart
- Full Complement/Caged
- Caged
- Dynamic Load Rating (lb)
- 4,990
- Flanges
- No flange
- Precision Rating
- RBEC-1
- Lubrication Hole Type
- Lubrication groove and hole
- Component Type
- Outer race only
- Separable
- Inner ring - both sides
- Enclosure
- Sealed Both Sides
- Retainer
- Yes
- Outside Diameter (in)
- 1.25
- Operating Temperature Range (F)
- -20 to 250 °F
- Radial Lub Hole Diameter (in)
- 0.08
- Outer Width (in)
- 1
- Inner Width (in)
- 1.01
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- McGill
- Mfg. Catalog Numberi
- MR 12 RSS/MI 8
- Mfg. Part Numberi
- 5451250025
- GDS #i
- GDS-113710
- Categoryi
- Needle Roller Bearings
- UPCi
- 726166139858
- Seriesi
- Standard
Documents & Support
- 3D/2D CAD Model (view/download)View
MR 12 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| MR 12 | Base configuration | $18.15 | View |
| MR 12 N | Narrow width, unsealed only — typically 0.25 in narrower | $18.15 | View |
| MR 12 RS | Single seal, lip turned out | $41.12 | View |
| MR 12 RSS | Double seal, both lips turned out | $27.99 | View |
| MR 12 S | Single seal, lip turned in | $75.05 | View |
| MR 12 SRS | Double seal, one lip turned in and one turned out | $38.54 | View |
| MR 12 SS | Double seal, both lips turned in | $26.64 | View |
| MR 12 RSS/MI 8This part | Double seal, both lips turned out, Supplied with inner ring MI 8 | $271.98 |
Common Questions
Is this a genuine McGill part?
Yes. GDS Supply supplies the genuine McGill MR 12 RSS/MI 8, manufacturer article number 5451250025. Its UPC is 726166139858.
