Sealmaster Mounted Insert Only Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - Low Drag - ERX-31 LO
Part #:704972
Catalog #:ERX-31 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): | 2.03 in | Bore Size (in): | 1.9375 in |
| Outer Race Width (in): | 1.125 in | Inner Ring OD (in): | 2.469 in |
| Outer Race OD (mm): | 90 mm | Centerline to Front Face (in): | 1.281 in |
| Outer Race OD (in): | 3.5433 in | Length Through Bore (in): | 2.031 in |
| Outer Race Width (mm): | 28.6 mm |
Technical Specifications
| Rolling Element: | Ball Bearing | Insert Material: | 52100 Bearing Steel |
| Measure Units: | Inch | Seal Type: | Cut Down Felt Labyrinth |
| Set Screw Thread: | 3/8-24 UNF | Housing Type: | Insert (ER Style) |
| Bore Shape: | Straight | Misalignment: | None |
| Internal Clearance: | Standard | Expansion: | No |
| Misalignment Type: | Static Only | Options: | Low Drag |
| Platform: | Gold Line Ball Bearing | Outer Ring Land Profile: | Tapered Lands |
| Bearing Insert Coating: | Black Oxide | End Cap: | No |
| Cage Material: | PPS - Polyphenylene Sulfide | Precision Rating: | ABEC 1 |
| Outer Race Profile: | Cylindrical | Inner Race Profile: | Wide Inner Ring |
| Vibration Frequency Roller Spin: | 0.0445 cps | Inner Race Heat Treat Method: | Zone-Hardened |
| Size Code: | 2-115 | Lubrication Type: | Lithium NLGI 2 Low Torque Grease |
| Duty/Status: | Standard | Inner Ring Fillet Radius (in): | 0.06 in |
| Maximum Speed (rpm): | 2800 rpm | Vibration Frequency Fundamental Train: | 0.0068 cps |
| Vibration Frequency Inner Ring Defect: | 0.0984 cps | Locking Type: | Set Screw |
| Setscrew Torque (in-lbs): | 230-300 in/lbs | Series: | Unmounted Replacement Bearings |
| Vibration Frequency Outer Ring Defect: | 0.0683 cps | Maximum Operating Temperature (F): | 220 °F |
| Ability to Relubricate: | Yes | Cage Type: | Land Riding Retainer |
| Dynamic Load Rating (lb): | 7,889 lb | Static Load Rating (lb): | 5,216 lb |
General Specifications
| UPC: | 662461258743 | 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 |