Sealmaster Mounted Insert Only Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - Extra Low Drag - ERX-31 XLO
Part #:705035
Catalog #:ERX-31 XLO
KEY FEATURES
- ER style cylindrical OD bearing with snap and with black oxided bearing rings
- Zone hardened inner ring with 120° spacing setscrew lock with diamond faceted setscrews
- Extra low drag seal cut down felt labyrinth seal and flinger
- Oil lubricated for reduced internal friction
- Nylon retainer to reduce overall drag
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Product Specifications
Dimensions
| Overall Width (in): | 2.03 in | Bore Size (in): | 1.9375 in |
| Outer Race OD (in): | 3.5433 in | Centerline to Front Face (in): | 1.281 in |
| Inner Ring OD (in): | 2.469 in | Outer Race Width (in): | 1.125 in |
| Outer Race OD (mm): | 90 mm | Length Through Bore (in): | 2.031 in |
| Outer Race Width (mm): | 28.6 mm |
Technical Specifications
| Measure Units: | Inch | Insert Material: | 52100 Bearing Steel |
| Rolling Element: | Ball Bearing | Seal Type: | Cut Down Felt Labyrinth |
| Bore Shape: | Straight | Set Screw Thread: | 3/8-24 UNF |
| Housing Type: | Insert (ER Style) | Internal Clearance: | Standard |
| Misalignment: | None | Expansion: | No |
| Outer Ring Land Profile: | Tapered Lands | Misalignment Type: | Static Only |
| Platform: | Gold Line Ball Bearing | End Cap: | No |
| Bearing Insert Coating: | Black Oxide | Options: | Extra Low Drag |
| Precision Rating: | ABEC 1 | Cage Material: | PPS - Polyphenylene Sulfide |
| Inner Race Profile: | Wide Inner Ring | Outer Race Profile: | Cylindrical |
| Vibration Frequency Outer Ring Defect: | 0.0683 cps | Vibration Frequency Roller Spin: | 0.0445 cps |
| Locking Type: | Set Screw | Lubrication Type: | Oil Coated Only - No Factory Grease Fill |
| Maximum Speed (rpm): | 1400 rpm | Vibration Frequency Fundamental Train: | 0.0068 cps |
| Ability to Relubricate: | Yes | Size Code: | 2-115 |
| Series: | Unmounted Replacement Bearings | Maximum Operating Temperature (F): | 220 °F |
| Inner Race Heat Treat Method: | Zone-Hardened | Inner Ring Fillet Radius (in): | 0.06 in |
| Vibration Frequency Inner Ring Defect: | 0.0984 cps | Duty/Status: | Standard |
| Setscrew Torque (in-lbs): | 230-300 in/lbs | Cage Type: | Land Riding Retainer |
| Dynamic Load Rating (lb): | 7,889 lb | Static Load Rating (lb): | 5,216 lb |
General Specifications
| UPC: | 662461259207 | Weight: | 2.43 LB |
| Packaged Length: | 4.25 IN | Packaged Width: | 2.25 IN |
| Packaged Height: | 4.25 IN | HTC: | 8482.10.5052 |
| Country of Origin: | Mexico |

