Sealmaster Mounted Insert Only Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - ER-51
Part #:701093
Catalog #:ER-51
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
- 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): | 3.25 in | Bore Size (in): | 3.1875 in |
| Outer Race OD (mm): | 140 mm | Outer Race OD (in): | 5.5118 in |
| Outer Race Width (in): | 1.688 in | Inner Ring OD (in): | 3.922 in |
| Centerline to Front Face (in): | 1.938 in | Length Through Bore (in): | 3.25 in |
| Outer Race Width (mm): | 42.9 mm |
Technical Specifications
| Set Screw Thread: | 7/16-20 UNF | Insert Material: | 52100 Bearing Steel |
| Measure Units: | Inch | Housing Type: | Insert (ER Style) |
| Bore Shape: | Straight | Seal Type: | Felt Labyrinth Seal |
| Rolling Element: | Ball Bearing | Misalignment: | None |
| Internal Clearance: | Standard | Expansion: | No |
| Outer Ring Land Profile: | Standard | Misalignment Type: | Static Only |
| End Cap: | No | Platform: | Gold Line Ball Bearing |
| Bearing Insert Coating: | Black Oxide | Precision Rating: | ABEC 1 |
| Cage Material: | Brass | Outer Race Profile: | Cylindrical |
| Inner Race Profile: | Wide Inner Ring | Vibration Frequency Outer Ring Defect: | 0.0759 cps |
| Vibration Frequency Roller Spin: | 0.0470 cps | Lubrication Type: | Lithium Complex NLGI 2 Grease |
| Maximum Operating Temperature (F): | 220 °F | Maximum Speed (rpm): | 2250 rpm |
| Duty/Status: | Standard | Locking Type: | Set Screw |
| Vibration Frequency Fundamental Train: | 0.0069 cps | Vibration Frequency Inner Ring Defect: | 0.1074 cps |
| Setscrew Torque (in-lbs): | 350-450 in/lbs | Inner Race Heat Treat Method: | Zone-Hardened |
| Ability to Relubricate: | Yes | Size Code: | 2-33 |
| Inner Ring Fillet Radius (in): | 0.12 in | Series: | Unmounted Replacement Bearings |
| Cage Type: | Land Riding Retainer | Static Load Rating (lb): | 13,174 lb |
| Dynamic Load Rating (lb): | 17,412 lb |
General Specifications
| UPC: | 662461008911 | Weight: | 7.80 LB |
| Packaged Length: | 5.63 IN | Packaged Width: | 5.75 IN |
| Packaged Height: | 3.63 IN | HTC: | 8482.10.5056 |
| Country of Origin: | United States of America |