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Product Specifications:
| Item | Insert Bearing |
| Ability To Relubricate | Yes |
| Bearing Insert Finish | Black Oxide |
| Bore Dia. | 2 1/2" |
| Bore Shape | Straight |
| Cage Material | Brass |
| Centerline To Front Face | 1.688" |
| Duty Series | Medium |
| Duty/series | Medium Series |
| Dynamic Load Capacity | 13971 lbs. |
| Dynamic Radial Load Capacity | 13971 lbs. |
| End Cap | No |
| Finish | Black Oxide |
| Fixed Vs. Expansion | No |
| Grade | Grade 52100 |
| Grease Type | Lithium Complex, Ep, Nlgi#2 |
| Height | 5.56" |
| Housing Type | Insert Only |
| Htc | 8482.10.5056 |
| I.d. | 2 1/2" |
| Inner Race Heat Treat Method | Zone Hardened |
| Inner Race Length | 2 3/4" |
| Inner Race Profile | Wide Inner Ring |
| Inner Ring Outside Dia. | 3.438" |
| Inner Ring Outside Diameter | 3.438" |
| Inner-race Heat-treat Method | Zone Hardened |
| Insert Material | Steel |
| Insert Material Finish | Black Oxide |
| Insert Material Grade | 52100 |
| Internal Clearance | Standard |
| Length | 5 1/2" |
| Locking Device | Single Set Screw |
| Lubrication Type | Lithium Complex NLGI 2 Grease |
| Max. Speed | 2500 RPM |
| Misalignment Type | Static Only |
| Outer Race Od | 5.17" |
| Outer Race Profile | Cylindrical |
| Outer Ring Land Profile | Standard |
| Overall Width | 2 3/4" |
| Platform | Gold Line Ball Bearing |
| Precision Rating | Abec 1 |
| Radial Static Load Capacity | 10063 lbs. |
| Radius | 2/25" |
| Seal Flinger | Yes |
| Seal Type | Felt |
| Series | AR |
| Set Screw Thread Size | 7/16"-20 |
| Shaft Size | 2 1/2" |
| Type Of Seal | Felt Labyrinth Seal |
| Width | 3.13" |
Shipping Info:
| Ship weight (kg) | 4.19 |
| Ship height (cm) | 7.95 |
| Ship length (cm) | 13.97 |
| Ship width (cm) | 14.12 |
| Country of Origin | US |
Product Variants
| Product | Model | Bore Dia. | Seal Type | Dynamic Load Capacity | Dynamic Radial Load Capacity | Max. Speed | Cage Material | Locking Type | Overall Width | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
AR-2-13 | 1 3/16" | - | - | 4381 lbs. | 5450 RPM | - | Set Screw | 1 1/2" | €290.53 | |
![]() |
AR-2-22 | - | - | - | - | - | - | - | - | €634.83 | |
![]() |
AR-2-27D | - | - | - | - | - | - | - | - | €666.57 | |
![]() |
AR-2-1TC | 1" | - | - | 2801 lbs. | 6350 RPM | Polyphenylene Sulfide | Concentric | 1.438" | €245.84 | |
![]() |
AR-3-3 | - | Felt | 17412 lbs. | - | - | - | - | - | €6,362.52 | |
![]() |
AR-2-1C | 1" | - | - | 2801 lbs. | 6350 RPM | Polyphenylene Sulfide | Set Screw | 1 3/8" | €241.24 | |
![]() |
AR-2-23T | 2 3/16" | - | - | 9752 lbs. | 4500 RPM | Polyphenylene Sulfide | Concentric | 2 1/4" | €541.87 |
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Contact us
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SEALMASTER AR-3-28 701209 Insert Bearing, 2.5 Inch Bore, 2.75 Inch Length Thru Bore, 1-29/64 Inch Outer Race Width
€1,595.21 /unit






