Sealmaster Mounted Insert Only Ball Bearing - 52100 Bearing Steel, Black Oxided - Concentric Lock - ER-208TMC
Part #:704166
Catalog #:ER-208TMC
KEY FEATURES
- ER style cylindrical OD bearing with snap and with black oxided bearing rings
- Skwezloc® concentric locking for near perfect concentricity
- 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): | 2.06 in | Bore Size (mm): | 40 mm |
| Outer Race OD (in): | 3.1496 in | Centerline to Front Face (in): | 1.25 in |
| Outer Race Width (in): | 1.093 in | Inner Ring OD (in): | 2.063 in |
| Outer Race OD (mm): | 80 mm | Collar OD (in): | 2.75 in |
| Length Through Bore (in): | 2.06 in | Outer Race Width (mm): | 27.8 mm |
Technical Specifications
| Torx Cap Screw: | 10-24 UNC | Seal Type: | Single Lip Contact Seal |
| Rolling Element: | Ball Bearing | Bore Shape: | Straight |
| Housing Type: | Insert (ER Style) | Measure Units: | Metric |
| Insert Material: | 52100 Bearing Steel | Expansion: | No |
| Misalignment: | None | Internal Clearance: | Standard |
| Bearing Insert Coating: | Black Oxide | End Cap: | No |
| Outer Ring Land Profile: | Tapered Lands | Misalignment Type: | Static Only |
| Platform: | Gold Line Ball Bearing | Precision Rating: | ABEC 1 |
| Cage Material: | PPS - Polyphenylene Sulfide | Outer Race Profile: | Cylindrical |
| Inner Race Profile: | Wide Inner Ring | Duty/Status: | Standard |
| Size Code: | 2-19 | Vibration Frequency Inner Ring Defect: | 0.0909 cps |
| Series: | Unmounted Replacement Bearings | Inner Ring Fillet Radius (in): | 0.06 in |
| Maximum Speed (rpm): | 4150 rpm | Vibration Frequency Roller Spin: | 0.0376 cps |
| Maximum Operating Temperature (F): | 220 °F | Vibration Frequency Fundamental Train: | 0.0066 cps |
| Lubrication Type: | Lithium Complex NLGI 2 Grease | Ability to Relubricate: | Yes |
| Vibration Frequency Outer Ring Defect: | 0.0591 cps | Inner Race Heat Treat Method: | Zone-Hardened |
| Locking Type: | Concentric | Setscrew Torque (in-lbs): | 100 in/lbs |
| Cage Type: | Land Riding Retainer | Dynamic Load Rating (lb): | 7,340 lb |
| Static Load Rating (lb): | 4,467 lb |
General Specifications
| UPC: | 662461254011 | Weight: | 2.02 LB |
| Packaged Length: | 3.63 IN | Packaged Width: | 2.00 IN |
| Packaged Height: | 3.63 IN | HTC: | 8482.10.5052 |
| Country of Origin: | Mexico |

