Needle Roller Bearings
McGill MR 56
MR Series 500
MR 56 is also available as
Series
Standard
Material
52100 Bearing Steel
Dynamic Load Rating (lb)
35,900
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
Dimensions
| Dim. | Meaning | in (nom. / tol.) | mm (nom. / tol.) |
|---|---|---|---|
| D | Outside Diameter | 4.5000+0/-.0008 | 114.3+0/-.020 |
| HD | Radial Lub. Hole Diameter | .19 | 5 |
| Ro | Max Hsg Radius To Clear | 0.08 | 2 |
| W | 2.000+0/-.005 | 50.80+0/.13 | |
| d | Shaft Diameter | 3.5000+0/-.0005 | 88.9+0/-.013 |
Values as printed for MR 56. 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
- Misalignment
- No
- Rolling Element
- Needle Roller
- Radial Clearance
- Normal
- Number of Rows
- 1
- Bore Type
- Straight
- Seal Type
- Unsealed
- Bore Size - Inch
- 3.5Shaft size chart
- Platform
- Cagerol Bearing
- Duplexing
- No
- Sealed
- None
- Static Load Rating (lb)
- 83,500
- Dynamic Load Rating (lb)
- 35,900
- Full Complement/Caged
- Caged
- Housing & Shaft Fillet (in)
- 0.08
- Speed (Max) Grease
- 1,720
- Speed (Max) Oil
- 3,440
- Lubrication Hole Type
- Lubrication groove and hole
- Flanges
- No flange
- Standard Met
- ABMA, ISO, MS 51961-42
- Precision Rating
- RBEC-1
- Related Inner Ring
- MI 47, MI 48
- Separable
- Nonseparable
- Component Type
- Outer race only
- Enclosure
- Open
- Retainer
- Yes
- Outside Diameter (in)
- 4.5
- Radial Lub Hole Diameter (in)
- 0.19
- Outer Width (in)
- 2
- Operating Temperature Range (F)
- -20 to 250 °F
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- McGill
- Mfg. Catalog Numberi
- MR 56
- Mfg. Part Numberi
- 5405600000
- GDS #i
- GDS-113654
- Categoryi
- Needle Roller Bearings
- UPCi
- 726166064174
- Seriesi
- Standard
MR 56 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| MR 56This part | Base configuration | $114.67 | |
| MR 56 N | Narrow width, unsealed only — typically 0.25 in narrower | $109.46 | View |
| MR 56 RS | Single seal, lip turned out | $230.20 | View |
| MR 56 RSS | Double seal, both lips turned out | $182.62 | View |
| MR 56 S | Single seal, lip turned in | $183.33 | View |
| MR 56 SRS | Double seal, one lip turned in and one turned out | Request quote | View |
| MR 56 SS | Double seal, both lips turned in | $171.45 | View |
| MR 56 SS/MI 48 | Double seal, both lips turned in, Supplied with inner ring MI 48 | Request quote | View |
| MR 56/MI 48 BULK | Bulk quantity package, Supplied with inner ring MI 48 | $247.86 | View |
Common Questions
Is this a genuine McGill part?
Yes. GDS Supply supplies the genuine McGill MR 56, manufacturer article number 5405600000. Its UPC is 726166064174.
