- SERIES 27
- Fits a wide range of tubing from 3/4" I.D. to 17/8" I.D., round or square. Please furnish tubing O.D. and gauge or I.D.
- SERIES 28
- Hollow center bushing to accept a standard 3/8" bolt.
- Finish – Bright Zinc plating
- Swivel – Double ball bearing with hardened raceways for extra strength
- Construction – Heavy gauge cold rolled steel, formed for strength
- Axle – 5/16" diameter bolt with lock nut
- Optional – Bright nickel plating fork and upper race add 5 to series number example: Change 27 series to 275 series or, 28 series to 285 series
- Optional Accessories
Specification For 27 - 28 Light Medium Duty Casters
| DIAMETER | TREAD WIDTH | TYPE | BEARING | POUNDS | LOAD HEIGHT (INCHES) | SWIVEL RADIUS (INCHES) | SERIES 27 | SERIES 28 | APP. WEIGHT (POUNDS) |
|---|---|---|---|---|---|---|---|---|---|
| 3 | 15/16 | Soft Tread Rubber | Delrin | 100 | 3 5/8 | 2 3/4 | 3-27-103 | 3-28-103 | 1 1/8 |
| 3 | 15/16 | Hard Tread Rubber | Delrin | 125 | 3 5/8 | 2 3/4 | 3-27-104 | 3-28-104 | 1 1/8 |
| 3 | 15/16 | Soft Tread Rubber | Delrin | 100 | 3 5/8 | 2 3/4 | 3-27-433G | 3-28-433G | 1 1/8 |
| 3 | 1 1/8 | Polyolefin | Plain | 125 | 3 5/8 | 2 3/4 | 3-27-511 | 3-28-511 | 1 1/8 |
| 4 | 15/16 | Soft Tread Rubber | Delrin | 115 | 4 5/8 | 3 5/16 | 4-27-103 | 4-28-103 | 1 1/2 |
| 4 | 15/16 | Hard Tread Rubber | Delrin | 140 | 4 5/8 | 3 5/16 | 4-27-104 | 4-28-104 | 1 1/2 |
| 4 | 15/16 | Soft Tread Rubber | Delrin | 115 | 4 5/8 | 3 5/16 | 4-27-433 | 4-28-433 | 1 1/2 |
| 4 | 1 | Polyolefin | Plain | 150 | 4 5/8 | 3 5/16 | 4-27-511 | 4-28-511 | 1 1/2 |
| 4 | 1 | Poly Loc Grey | Delrin | 150 | 4 5/8 | 3 5/16 | 4-27-211G | 4-28-211G | 1 1/2 |
| 4 | 1 | Poly Loc Grey | Ball | 150 | 4 5/8 | 3 5/16 | 4-27-212G | 4-28-212G | 1 1/2 |
| 4 | 1 | Poly Loc Grey | Ball | 150 | 4 5/8 | 3 5/16 | 4-27-212P | 4-28-212P | 1 1/2 |
| 5 | 15/16 | Soft Tread Rubber | Delrin | 125 | 5 5/8 | 4 | 5-27-103 | 5-28-103 | 1 7/8 |
| 5 | 15/16 | Hard Tread Rubber | Delrin | 150 | 5 5/8 | 4 | 5-27-104 | 5-28-104 | 1 7/8 |
| 5 | 15/16 | Soft Tread Donut | Delrin | 125 | 5 5/8 | 4 | 5-27-433 | 5-28-433 | 1 7/8 |
| 5 | 1 | Polyolefin | Plain | 150 | 5 5/8 | 4 | 5-27-511 | 5-28-511 | 1 7/8 |
| 5 | 1 | Poly Loc Grey | Delrin | 160 | 5 5/8 | 4 | 5-27-211G | 5-28-211G | 1 7/8 |
| 5 | 1 | Poly Loc Grey | Ball | 160 | 5 5/8 | 4 | 5-27-212G | 5-28-212G | 1 7/8 |
| 5 | 1 | Poly Loc Poly | Ball | 160 | 5 5/8 | 4 | 5-27-212P | 5-28-212P | 1 7/8 |