Sealmaster Mounted Insert Only Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - ER-31X
Part #:709153
Catalog #:ER-31X
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
- Labyrinth seal and flinger
- 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.
How can we improve our Product Information?
Talk to one of our expert sales professionals about how this brand can efficiently power your business.
Product Specifications
Dimensions
| Overall Width (in): | 2.03 in | Bore Size (in): | 1.9375 in |
| Inner Ring OD (in): | 2.469 in | Centerline to Front Face (in): | 1.281 in |
| Outer Race OD (in): | 3.5433 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 |
| Housing Type: | Insert (ER Style) | Bore Shape: | Straight |
| Seal Type: | Labryinth Seal | Set Screw Thread: | 3/8-24 UNF |
| Rolling Element: | Ball Bearing | Misalignment: | None |
| Internal Clearance: | Standard | Expansion: | No |
| Outer Ring Land Profile: | Tapered Lands | Bearing Insert Coating: | Black Oxide |
| End Cap: | No | Misalignment Type: | Static Only |
| Platform: | Gold Line Ball Bearing | Cage Material: | PPS - Polyphenylene Sulfide |
| Precision Rating: | ABEC 1 | Outer Race Profile: | Cylindrical |
| Inner Race Profile: | Wide Inner Ring | Vibration Frequency Inner Ring Defect: | 0.0984 cps |
| Inner Race Heat Treat Method: | Zone-Hardened | Size Code: | 2-115 |
| Vibration Frequency Fundamental Train: | 0.0068 cps | Inner Ring Fillet Radius (in): | 0.06 in |
| Maximum Speed (rpm): | 3550 rpm | Locking Type: | Set Screw |
| Duty/Status: | Standard | Vibration Frequency Outer Ring Defect: | 0.0683 cps |
| Maximum Operating Temperature (F): | 220 °F | Series: | Unmounted Replacement Bearings |
| Vibration Frequency Roller Spin: | 0.0445 cps | Lubrication Type: | Lithium Complex NLGI 2 Grease |
| Ability to Relubricate: | Yes | Setscrew Torque (in-lbs): | 230-300 in/lbs |
| Static Load Rating (lb): | 5,216 lb | Dynamic Load Rating (lb): | 7,889 lb |
| Cage Type: | Land Riding Retainer |
General Specifications
| UPC: | 662461047576 | 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 |

