Sealmaster Mounted Insert Only Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - Low Drag - ERX-28 LO
Part #:704971
Catalog #:ERX-28 LO
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
- Features a channeling grease that reduces drag while lubricating the bearing
- Nylon retainer to reduce overall drag
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Product Specifications
Dimensions
| Overall Width (in): | 1.94 in | Bore Size (in): | 1.75 in |
| Centerline to Front Face (in): | 1.188 in | Outer Race Width (in): | 1.094 in |
| Outer Race OD (mm): | 85 mm | Inner Ring OD (in): | 2.297 in |
| Outer Race OD (in): | 3.3465 in | Length Through Bore (in): | 1.938 in |
| Outer Race Width (mm): | 27.8 mm |
Technical Specifications
| Set Screw Thread: | 5/16-24 UNF | Rolling Element: | Ball Bearing |
| Seal Type: | Cut Down Felt Labyrinth | Insert Material: | 52100 Bearing Steel |
| Housing Type: | Insert (ER Style) | Bore Shape: | Straight |
| Measure Units: | Inch | Internal Clearance: | Standard |
| Misalignment: | None | Expansion: | No |
| Options: | Low Drag | Outer Ring Land Profile: | Tapered Lands |
| Bearing Insert Coating: | Black Oxide | End Cap: | No |
| Platform: | Gold Line Ball Bearing | Misalignment Type: | Static Only |
| Precision Rating: | ABEC 1 | Cage Material: | PPS - Polyphenylene Sulfide |
| Outer Race Profile: | Cylindrical | Inner Race Profile: | Wide Inner Ring |
| Vibration Frequency Roller Spin: | 0.0417 cps | Size Code: | 2-111 |
| Lubrication Type: | Lithium NLGI 2 Low Torque Grease | Vibration Frequency Inner Ring Defect: | 0.0994 cps |
| Locking Type: | Set Screw | Inner Ring Fillet Radius (in): | 0.06 in |
| Vibration Frequency Fundamental Train: | 0.0067 cps | Maximum Speed (rpm): | 3000 rpm |
| Maximum Operating Temperature (F): | 220 °F | Setscrew Torque (in-lbs): | 125-165 in/lbs |
| Duty/Status: | Standard | Inner Race Heat Treat Method: | Zone-Hardened |
| Vibration Frequency Outer Ring Defect: | 0.0673 cps | Ability to Relubricate: | Yes |
| Series: | Unmounted Replacement Bearings | Static Load Rating (lb): | 5,139 lb |
| Cage Type: | Land Riding Retainer | Dynamic Load Rating (lb): | 7,901 lb |
General Specifications
| UPC: | 662461258736 | Weight: | 2.31 LB |
| Packaged Length: | 3.63 IN | Packaged Width: | 2.00 IN |
| Packaged Height: | 3.63 IN | HTC: | 8482.10.5052 |
| Country of Origin: | Mexico |