- Powder coated epoxy cast iron housing with extended inner ring bearings
- Zone hardened inner ring with 120° spacing setscrew with diamond faceted setscrews
- 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.
- Sealmaster® exclusive lock pin and dimple for direct lubrication and anti-rotation
TB-21
Sealmaster Mounted Cast Iron Tapped Base Pillow Block Ball Bearing – 52100 Bearing Steel, Black Oxided – Setscrew Lock – TB-21
$295.14
Out of stock
Out of stock

| Duty Series: | Standard Duty | Rolling Element: | Ball Bearing |
|---|---|---|---|
| Measure Units: | Inch | Housing Base: | Solid |
| Insert Material: | 52100 Bearing Steel, Black Oxided | Housing Material: | Cast Iron |
| Insert No.: | 2-15 | Seal Type: | Felt Labyrinth Seal |
| Housing Type: | Pillow Block, Tapped Base | Expansion: | No |
| Maximum Operating Temperature: | 220 °F | Speed (Max): | 4650 |
| Retainer Type: | Land Riding Retainer | Set Screw Thread: | 5/16-24 UNF X .31 |
| Inner-Race Heat-Treat Method: | Zone-Hardened | Housing Construction: | One Piece |
| Internal Clearance: | Standard | Relubricatable: | Yes |
| Locking Type: | Setscrew | Bore Shape: | Straight |
| Lubrication: | Lithium Complex NLGI 2 Grease | Misalignment: | ±2.0° Misalignment - Static Only |
| Platform: | Gold Line Ball Bearing | Bearing Insert Coating: | Black Oxide Coated |
| Misalignment Type: | Static Only | Outer Ring Land Profile: | Standard |
| Housing Color: | Gray | Replaceable Insert: | Yes |
| End Cap: | No | Grease Fitting Thread Size: | 1/4-28 |
| UPC: | 662461007228 | Weight: | 4.30 LB |
| Packaged Length: | 5 Inches | Packaged Width: | 2 Inches |
| Packaged Height: | 5 Inches | HTC: | 8483.20.8040 |
| Country of Origin: | United States of America |
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