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MRC R12FF inch-series radial ball bearing with 3/4" bore and 1 5/8" outside diameter. Double shielded for protection against contaminants. Metal cage construction. Suitable for instrument and miniature applications.
MODEL R12FF
Contact supplier for technical support on: 888 753 3477
$20.89 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Select Quantity
Typically Ships in: 1 day
Returnable:No
Bearing Type
Radial
Cage
Metal
Enclosure
Double Shielded
I.D.
3/4 in
Locking
None
O.D.
1 5/8 in
Item Details
| Manufacturer: | MRC Bearing Service |
|---|---|
| Weight: | 0. 145 lbs. |
| Product Name: | R Series Small Inch-Size Ball Bearing |
| Description: | 3/4" ID x 1 5/8" OD x 7/16" Wide; Double Shielded; No Snap Ring; Single Row Radial Steel Bearing |
Specifications
| Inch/Metric | Inch Bore |
|---|---|
| Bore Type | Round Bore |
| I. D. | 3/4 in |
| O. D. [Min] | |
| O. D. [Max] | |
| O. D. | 1 5/8 in |
| Width [Min] | |
| Width [Max] | |
| Width | 7/16 in |
| Enclosure | Double Shielded |
| Rows of Balls | Single |
| Material | Steel |
| O. D. Type | Straight |
| Bearing Type | Radial |
| Precision | Standard |
| Radial Internal Clearance Specification | Normal Clearance |
| Ambient Temperature Range [Min] | |
| Ambient Temperature Range [Max] | |
| Ball Material | Steel |
| Cage Type | Metal |
| Capacity | Standard Capacity |
| Contact Angle | 0° |
| Guide Type | |
| Lubrication | |
| Outer Ring Width | 7/16 in |
| Precision Level | Standard (ABEC 1) |
| Preload Level | None |
| Seal Material | Metal |
| Seal Type | Non-Contact Seals |
| Seal Width | |
| Dynamic Load Rating | 2100 lbf |
| Static Load Rating [Max] | 1150 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 | 0. 031 in |
| 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 | 7/16 in |
| Internal Design | |
| Limiting Speed | |
| Limiting Speed - Grease | 16000 rpm |
| Limiting Speed - Oil | 19000 rpm |
| Limiting Speed - Sealed | 11000 rpm |
| Locking Device | No Locking Device |
| Lube Hole Center | |
| Lubricant | Polyurea Base |
| 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] | -22 °F |
| Temperature Range [Max] | 250 °F |
| Use With | |
Product Information
| Applications |
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|---|---|
| Features |
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SKU: 1133538
Motor bearings
Of all the bearings I have purchased in the last 45 years, these look to be top quality.
Read moreSKU: 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 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.
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SKU: 1133538
Motor bearings
Of all the bearings I have purchased in the last 45 years, these look to be top quality.
Read moreSKU: 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 more