Sealmaster Mounted Insert Only Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - Inner Race Able to be Relubricated - ERX-31 RL
Part #:705089
Catalog #:ERX-31 RL
KEY FEATURES
- ER style cylindrical OD bearing with snap and with black oxided bearing rings
- Exclusive inner ring with lubrication fitting allowing for relubrication without need for special housing machining
- Zone hardened inner ring with 120° spacing setscrew lock with diamond faceted setscrews
- Felt labyrinth seal and flinger for dry and dusty environment
- Unique land riding retainer design provides superior pocket clearance that allows for 360° grease circulation around the rolling elements resulting in better retained and utilized lubrication.
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Product Specifications
Dimensions
| Overall Width (in): | 2.03 in | Bore Size (in): | 1.9375 in |
| Centerline to Front Face (in): | 1.281 in | Outer Race OD (mm): | 90 mm |
| Outer Race OD (in): | 3.5433 in | Outer Race Width (in): | 1.125 in |
| Inner Ring OD (in): | 2.469 in | Length Through Bore (in): | 2.031 in |
| Outer Race Width (mm): | 28.6 mm |
Technical Specifications
| Set Screw Thread: | 3/8-24 UNF | Seal Type: | Felt Labyrinth Seal |
| Rolling Element: | Ball Bearing | Measure Units: | Inch |
| Insert Material: | 52100 Bearing Steel | Bore Shape: | Straight |
| Housing Type: | Insert (ER Style) | Expansion: | No |
| Misalignment: | None | Internal Clearance: | Standard |
| Bearing Insert Coating: | Black Oxide | Options: | Inner Race Relubricatable |
| Misalignment Type: | Static Only | Outer Ring Land Profile: | Tapered Lands |
| End Cap: | No | Platform: | Gold Line Ball Bearing |
| Precision Rating: | ABEC 1 | Cage Material: | PPS - Polyphenylene Sulfide |
| Outer Race Profile: | Cylindrical | Inner Race Profile: | Wide Inner Ring |
| Locking Type: | Set Screw | Maximum Speed (rpm): | 3550 rpm |
| Ability to Relubricate: | Yes | Series: | Unmounted Replacement Bearings |
| Inner Ring Fillet Radius (in): | 0.06 in | Vibration Frequency Outer Ring Defect: | 0.0683 cps |
| Lubrication Type: | Lithium Complex NLGI 2 Grease | Maximum Operating Temperature (F): | 220 °F |
| Duty/Status: | Standard | Inner Race Heat Treat Method: | Zone-Hardened |
| Size Code: | 2-115 | Setscrew Torque (in-lbs): | 230-300 in/lbs |
| Vibration Frequency Roller Spin: | 0.0445 cps | Vibration Frequency Inner Ring Defect: | 0.0984 cps |
| Vibration Frequency Fundamental Train: | 0.0068 cps | Dynamic Load Rating (lb): | 7,889 lb |
| Static Load Rating (lb): | 5,216 lb | Cage Type: | Land Riding Retainer |
General Specifications
| UPC: | 662461259696 | 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 |