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MRC (SKF) 5311MF double row angular contact ball bearing with 55mm bore, 4.724" O.D., and 2.165" I.D. Features single shield and metal cage for industrial applications requiring high radial and axial load capacity.
MODEL 5311MF
Contact supplier for technical support on: 888 753 3477
$323.44 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Bearing Type
Angular Contact
Cage
Metal
Enclosure
Single Shield
I.D.
2.165
Locking
None
O.D.
4.724
Item Details
| Manufacturer: | MRC Bearing Service |
|---|---|
| Product Name: | 5300-M Medium Series Bearing |
| Description: | 55 mm ID x 120 mm OD x 1 15/16" Wide; Single Shield; No Snap Ring; Maximum Capacity; Double Row Ball Bearing |
Specifications
| Inch/Metric | Metric Bore |
|---|---|
| Bore Type | Round Bore |
| I. D. | 55 mm |
| O. D. [Min] | |
| O. D. [Max] | |
| O. D. | 120 mm |
| Width [Min] | |
| Width [Max] | |
| Width | 49. 2125 mm |
| Enclosure | Single Shield |
| Rows of Balls | Double |
| Material | Steel |
| O. D. Type | Straight |
| Bearing Type | Angular Contact |
| Precision | Standard |
| Radial Internal Clearance Specification | Normal Clearance |
| Ambient Temperature Range [Min] | |
| Ambient Temperature Range [Max] | |
| Ball Material | Steel |
| Cage Type | Metal |
| Capacity | Maximum Capacity |
| Contact Angle | 30° |
| Guide Type | |
| Lubrication | |
| Outer Ring Width | 1 15/16 in |
| Precision Level | Standard (ABEC 1) |
| Preload Level | None |
| Seal Material | Metal |
| Seal Type | Non-Contact Seals |
| Seal Width | |
| Dynamic Load Rating | 26800 lbf |
| Static Load Rating [Max] | 27400 lbf |
| Ball Dia. | |
| Bearing Design | |
| Bore B | |
| Cage Material | Steel |
| Collar No. | |
| Collar O. D. | |
| Collar Width | |
| Corner Radius [Min] | |
| Eccentric Collar Offset | |
| Fillet Radius | 2 mm |
| Flange O. D. [Max] | |
| Flange O. D. | |
| Flange Width [Max] | |
| Flange Width | |
| Flush Ground | |
| Housing Shoulder Diameter [Min] | |
| Housing Shoulder Diameter [Max] | |
| Housing Shoulder Diameter | |
| Industry Standard Part # | |
| Inner Ring O. D. | |
| Inner Ring Offset | |
| Inner Ring Width | 1 15/16 in |
| Internal Design | |
| Limiting Speed | |
| Limiting Speed - Grease | 3800 rpm |
| Limiting Speed - Oil | 5000 rpm |
| Limiting Speed - Sealed | 3800 rpm |
| Locking Device | No Locking Device |
| Lube Hole Center | |
| Lubricant | Oil Preservative |
| Misalignment Range | |
| No. in Set | Single Bearing |
| No. of Balls | |
| O. D. (B) | |
| Outer Ring | |
| Outer Ring Inner Diameter | |
| Outer Ring Size | |
| Peak Running Torque (mg-mm) | |
| Peak Starting Torque (mg-mm) | |
| Pre Lubricant | |
| Preload Amount | |
| Radial Internal Clearance | Normal |
| Radial Load Rating [Max] | |
| Radial Rigidity (lbf/µm) | |
| Reference Speed | |
| Seal O. D. | |
| Seal Protection Width | |
| Seating Washer | |
| Series | |
| Set Screw Offset | |
| Set Screw Size | |
| Shaft Shoulder Diameter [Min] | |
| Shaft Tolerance | |
| Snap Ring | No Snap Ring |
| Snap Ring O. D. | |
| Snap Ring Offset | |
| Snap Ring Thickness | |
| Special Features | |
| Stamping | |
| Static Thrust Load Rating [Max] | |
| Temperature Range [Min] | |
| Temperature Range [Max] | |
| Use With |
Product Information
| Applications |
|
|---|---|
| Features |
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SKU: 1133536
Great bearings, great price!
I am rebuilding an old Delta/Rockwell drill press and was having trouble finding the correct replacement bearings at a reasonable price from my usual go-to online dealers; from those that even had them available. Shipping times where reasonable. Competitively priced at time of purchase. Stock status was available, had to use contact link to make sure they were available to ship. Would be very nice if real-time in-stock status could be available while hunting down need parts, but in the long run it's not that big of deal. The stock status email back following the inquire was quick with a quoted price and purchase link.
Read moreSKU: 1133538
Motor bearings
Of all the bearings I have purchased in the last 45 years, these look to be top quality.
Read moreHow 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.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
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SKU: 1133536
Great bearings, great price!
I am rebuilding an old Delta/Rockwell drill press and was having trouble finding the correct replacement bearings at a reasonable price from my usual go-to online dealers; from those that even had them available. Shipping times where reasonable. Competitively priced at time of purchase. Stock status was available, had to use contact link to make sure they were available to ship. Would be very nice if real-time in-stock status could be available while hunting down need parts, but in the long run it's not that big of deal. The stock status email back following the inquire was quick with a quoted price and purchase link.
Read moreSKU: 1133538
Motor bearings
Of all the bearings I have purchased in the last 45 years, these look to be top quality.
Read more