Sealmaster Mounted Insert Only Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - ER-21
Part #:701065
Catalog #:ER-21
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): | 1.69 in | Bore Size (in): | 1.3125 in |
| Centerline to Front Face (in): | 1 in | Outer Race OD (in): | 2.8346 in |
| Inner Ring OD (in): | 1.859 in | Outer Race Width (in): | 0.938 in |
| Outer Race OD (mm): | 72 mm | Length Through Bore (in): | 1.688 in |
| Outer Race Width (mm): | 23.8 mm |
Technical Specifications
| Bore Shape: | Straight | Insert Material: | 52100 Bearing Steel |
| Housing Type: | Insert (ER Style) | Set Screw Thread: | 5/16-24 UNF |
| Rolling Element: | Ball Bearing | Seal Type: | Felt Labyrinth Seal |
| Measure Units: | Inch | Expansion: | No |
| Misalignment: | None | Internal Clearance: | Standard |
| Bearing Insert Coating: | Black Oxide | End Cap: | No |
| Misalignment Type: | Static Only | Outer Ring Land Profile: | Tapered Lands |
| Platform: | Gold Line Ball Bearing | Precision Rating: | ABEC 1 |
| Cage Material: | PPS - Polyphenylene Sulfide | Outer Race Profile: | Cylindrical |
| Inner Race Profile: | Wide Inner Ring | Maximum Speed (rpm): | 4650 rpm |
| Series: | Unmounted Replacement Bearings | Setscrew Torque (in-lbs): | 125-165 in/lbs |
| Lubrication Type: | Lithium Complex NLGI 2 Grease | Vibration Frequency Roller Spin: | 0.0383 cps |
| Inner Ring Fillet Radius (in): | 0.04 in | Inner Race Heat Treat Method: | Zone-Hardened |
| Size Code: | 2-17 | Maximum Operating Temperature (F): | 220 °F |
| Vibration Frequency Outer Ring Defect: | 0.0595 cps | Vibration Frequency Fundamental Train: | 0.0067 cps |
| Duty/Status: | Standard | Locking Type: | Set Screw |
| Ability to Relubricate: | Yes | Vibration Frequency Inner Ring Defect: | 0.0905 cps |
| Cage Type: | Land Riding Retainer | Dynamic Load Rating (lb): | 5,782 lb |
| Static Load Rating (lb): | 3,493 lb |
General Specifications
| UPC: | 662461008638 | Weight: | 1.35 LB |
| Packaged Length: | 3.13 IN | Packaged Width: | 1.75 IN |
| Packaged Height: | 3.13 IN | HTC: | 8482.10.5052 |
| Country of Origin: | Mexico |