Needle Roller Bearings
McGill MR 18 N
MR Series 500
MR 18 is also available as
Series
Narrow
Material
52100 Bearing Steel
Dynamic Load Rating (lb)
8,720
Includes Inner Ring
No
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
- Narrow width configuration
Dimensions
| Dim. | Meaning | in (nom. / tol.) | mm (nom. / tol.) |
|---|---|---|---|
| D | Outside Diameter | 1.6250+0/-.0005 | 41.3+0/-.013 |
| HD | Radial Lub. Hole Diameter | .09 | 2 |
| Ro | Max Hsg Radius To Clear | 0.04 | 1 |
| W | .750+0/-.005 | 19.05+0/.13 | |
| d | Shaft Diameter | 1.1250+0/-.0005 | 28.6+0/-.013 |
Values as printed for MR 18 N. Figures are nominal; a tolerance is shown where the catalog prints one, and reference dimensions carry none. Verify critical dimensions before ordering.
- Material
- 52100 Bearing Steel
- Includes Inner Ring
- No
- Cage Material
- Steel
- Rolling Element
- Needle Roller
- Misalignment
- No
- Seal Type
- Unsealed
- Bore Type
- Straight
- Radial Clearance
- Normal
- Number of Rows
- 1
- Dynamic Load Rating (lb)
- 8,720
- Duplexing
- No
- Housing & Shaft Fillet (in)
- 0.04
- Platform
- Cagerol Bearing
- Full Complement/Caged
- Caged
- Speed (Max) Oil
- 10,700
- Bore Size - Inch
- 1.125Shaft size chart
- Static Load Rating (lb)
- 12,200
- Sealed
- None
- Speed (Max) Grease
- 5,350
- Lubrication Hole Type
- Lubrication Groove & Hole
- Related Inner Ring
- MI 14 N, MI 15 N
- Standard Met
- ABMA, ISO
- Flanges
- No Flanges
- Precision Rating
- RBEC-1
- Enclosure
- Open
- Component Type
- Outer race only
- Separable
- Nonseparable
- Retainer
- Yes
- Operating Temperature Range (F)
- -20 to 250 °F
- Outside Diameter (in)
- 1.625
- Radial Lub Hole Diameter (in)
- 0.09
- Outer Width (in)
- 1
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- McGill
- Mfg. Catalog Numberi
- MR 18 N
- Mfg. Part Numberi
- 5451860000
- GDS #i
- GDS-113742
- Categoryi
- Needle Roller Bearings
- UPCi
- 726166065706
- Seriesi
- Narrow
MR 18 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| MR 18 | Base configuration | $21.72 | View |
| MR 18 NThis part | Narrow width, unsealed only — typically 0.25 in narrower | $25.37 | |
| MR 18 RS | Single seal, lip turned out | Request quote | View |
| MR 18 RSS | Double seal, both lips turned out | $40.95 | View |
| MR 18 S | Single seal, lip turned in | $85.90 | View |
| MR 18 SRS | Double seal, one lip turned in and one turned out | Request quote | View |
| MR 18 SS | Double seal, both lips turned in | $32.00 | View |
| MR 18 N DS | Narrow width, unsealed only — typically 0.25 in narrower, Matched pair for duplex mounting | $481.89 | View |
| MR 18 RS BULK | Single seal, lip turned out, Bulk quantity package | $140.35 | View |
| MR 18 SS PD | — | $47.72 | View |
Common Questions
Is this a genuine McGill part?
Yes. GDS Supply supplies the genuine McGill MR 18 N, manufacturer article number 5451860000. Its UPC is 726166065706.
