Medium Heavy Duty Kingpinless Casters #30 Series
Unique medium-heavy duty kingpinless design eliminated problems associated with kingpin failure due to severe shock loading. Dual ball bearing raceway absorbs load and thrust to provide superior shock loading capabilities.
Medium-Heavy Duty Kingpinless Caster Options
Options are available for medium duty kingpinless casters to increase the ease of maintenance and performance of the caster.
- Zerk Axles
- Neoprene Wheel Seals
- WB-Cam Brake
- Thread Guards
Bearing Options
Bearing options are available, and can increase the performance of the caster when properly matched to a specific application or use.
- Roller Bearing
- Delrin
- Precision
- Ball Bearing
- Sleeve or Plain Bearing
- No Bearing
| Inside Bolt Pattern | Outside Bolt Pattern | |
| 1 | 4x4-1/2 | 2-5/8x3-5/8 TO 3x3 |
| 2 | 4-1/2x6-1/4 | 2-7/16x4-15/16 TO 3-3/8x5-1/4 |
| 3 | 5x5-1/2 | 4-1/8x4-1/2 |
| Diameter | Width |
Wheel Material |
Capacity lbs |
Load Height |
Swivel Number |
Swivel Weight |
Bearing Type |
|---|---|---|---|---|---|---|---|
| Low Profile Rubber on Steel | 300 | NCC-KP30S420-LPR | 6.16 | Roller | |||
| Rubber on Steel | 400 | NCC-KP30S420-RSR | 6.16 | " | |||
| Rubber on Aluminum | 400 | NCC-KP30S420-RAR | 5.06 | " | |||
| 4" | 2 | Rubber on Polyolefin | 350 | NCC-KP30S420-TPRR | 3.96 | " | |
| Polyurethane on Polyolefin | 700 | NCC-KP30S420-PPUR | 3.96 | " | |||
| Polyurethane on Steel | 700 | NCC-KP30S420-PUR | 6.16 | " | |||
| Solid Polyurethane | 700 | NCC-KP30S420-SPUR | 3.96 | " | |||
| Polyurethane on Aluminum | 700 | NCC-KP30S420-PAR | 5.06 | " | |||
| Diameter | Width |
Wheel Material |
Capacity lbs |
Load Height |
Swivel Number |
Swivel Weight |
Bearing Type |
| Cushion Polyurethane on Polyolefin | 700 | 5-5/8 | NCC-KP30S420-SCR | 3.96 | Roller | ||
| EZ Rolling Polyurethane on Steel | 700 | NCC-KP30S420-EZPUR | 6.75 | " | |||
| Semi Steel | 1000 | NCC-KP30S420-SSR | 5.72 | " | |||
| Heavy Duty Steel | 900 | NCC-KP30S420-SSR-HD | 6.72 | " | |||
| 4" | 2 | EZ Rolling Steel | 800 | NCC-KP30S420-CDSR | 7.05 | " | |
| V Groove | 800 | NCC-KP30S420-VGR | 6.71 | " | |||
| Polyolefin | 500 | NCC-KP30S420-POR | 5.06 | " | |||
| Phenolic | 800 | NCC-KP30S420-PHR | 5.25 | " | |||
| High Temp Phenolic | 800 | NCC-KP30S420-PHR-HT | 5.25 | " | |||
| Diameter | Width |
Wheel Material |
Capacity lbs |
Load Height |
Swivel Number |
Swivel Weight |
Bearing Type |
| Rubber on Steel | 400 | NCC-KP30S520-RSR | 6.16 | Roller | |||
| Rubber on Aluminum | 500 | NCC-KP30S520-RAR | 5.75 | " | |||
| Rubber on Polyolefin | 375 | NCC-KP30S520-TPRR | 4.62 | " | |||
| Polyurethane on Polyolefin | 750 | NCC-KP30S520-PPUR | 4.62 | " | |||
| Polyurethane on Steel | 1000 | NCC-KP30S520-PUR | 6.60 | " | |||
| Solid Polyurethane | 1000 | NCC-KP30S520-SPUR | 4.62 | " | |||
| Polyurethane on Aluminum | 1000 | NCC-KP30S520-PAR | 5.28 | " | |||
| 5" | 2 | Cushion Polyurethane on Polyolefin | 750 | 6-1/2 | NCC-KP30S520-SCR | 4.62 | " |
| EZ Rolling Polyurethane on Steel | 1200 | NCC-KP30S520-EZPUR | 7.00 | " | |||
| Semi Steel | 1000 | NCC-KP30S520-SSR | 7.92 | " | |||
| Heavy Duty Steel | 1200 | NCC-KP30S520-SSR-HD | 9.00 | " | |||
| EZ Rolling Steel | 1200 | NCC-KP30S520-CDSR | 9.00 | " | |||
| V Groove | 1100 | NCC-KP30S520-VGR | 8.58 | " | |||
| Polyolefin | 650 | NCC-KP30S520-POR | 4.62 | " | |||
| Phenolic | 1000 | NCC-KP30S520-PHR | 5.75 | " | |||
| Diameter | Width |
Wheel Material |
Capacity lbs |
Load Height |
Swivel Number |
Swivel Weight |
Bearing Type |
| Low Profile Rubber on Steel | 600 | NCC-KP30S620-LPR | 8.75 | Roller | |||
| Rubber on Steel | 450 | NCC-KP30S620-RSR | 7.70 | " | |||
| Rubber on Aluminum | 550 | NCC-KP30S620-RAR | 6.50 | " | |||
| Rubber on Polyolefin | 400 | NCC-KP30S620-TPRR | 5.06 | " | |||
| Polyurethane on Polyolefin | 900 | NCC-KP30S620-PPUR | 5.06 | " | |||
| Polyurethane on Steel | 1200 | NCC-KP30S620-PUR | 8.58 | " | |||
| Solid Polyurethane | 1200 | NCC-KP30S620-SPUR | 5.06 | " | |||
| Polyurethane on Aluminum | 1200 | NCC-KP30S620-PAR | 6.00 | " | |||
| 6" | 2 | Cushion Polyurethane on Polyolefin | 900 | 7-1/2 | NCC-KP30S620-SCR | 5.06 | " |
| EZ Rolling Polyurethane on Steel | 1200 | NCC-KP30S620-EZPUR | 9.00 | " | |||
| Semi Steel | 1400 | NCC-KP30S620-SSR | 8.58 | " | |||
| Heavy Duty Steel | 1200 | NCC-KP30S620-SSR-HD | 9.60 | " | |||
| Ductile Steel | 1400 | NCC-KP30S620-DSR | 9.60 | " | |||
| EZ Rolling Steel | 1200 | NCC-KP30S620-CDSR | 9.60 | " | |||
| V Groove | 1200 | NCC-KP30S620-VGR | 10.12 | " | |||
| Polyolefin | 700 | NCC-KP30S620-POR | 5.06 | " | |||
| Phenolic | 1200 | NCC-KP30S620-PHR | 7.50 | " | |||
| High Temp Phenolic | 1200 | NCC-KP30S620-PHR-HT | 7.50 | " | |||
| Diameter | Width |
Wheel Material |
Capacity lbs |
Load Height |
Swivel Number |
Swivel Weight |
Bearing Type |
| Low Profile Rubber on Steel | 600 | NCC-KP30S820-LPR | 11.75 | Roller | |||
| Rubber on Steel | 500 | NCC-KP30S820-RSR | 9.68 | " | |||
| Rubber on Aluminum | 550 | NCC-KP30S820-RAR | 7.50 | " | |||
| Rubber on Polyolefin | 500 | NCC-KP30S820-TPRR | 5.50 | " | |||
| Polyurethane on Polyolefin | 900 | NCC-KP30S820-PPUR | 5.50 | " | |||
| Polyurethane on Steel | 1400 | NCC-KP30S820-PUR | 12.10 | " | |||
| Solid Polyurethane | 1400 | NCC-KP30S820-SPUR | 5.50 | " | |||
| Polyurethane on Aluminum | 1400 | NCC-KP30S820-PAR | 5.50 | " | |||
| 8" | 2 | Cushion Polyurethane on Polyolefin | 900 | 9-1/2 | NCC-KP30S820-SCR | 5.50 | " |
| EZ Rolling Polyurethane on Steel | 1200 | NCC-KP30S820-EZPUR | 13.10 | " | |||
| Semi Steel | 1400 | NCC-KP30S820-SSR | 12.10 | " | |||
| Heavy Duty Steel | 1200 | NCC-KP30S820-SSR-HD | 13.10 | " | |||
| Ductile Steel | 1400 | NCC-KP30S820-DSR | 13.10 | " | |||
| EZ Rolling Steel | 1200 | NCC-KP30S820-CDSR | 13.10 | " | |||
| V Groove | 1200 | NCC-KP30S820-VGR | 14.74 | " | |||
| Polyolefin | 900 | NCC-KP30S820-POR | 5.50 | " | |||
| Phenolic | 1400 | NCC-KP30S820-PHR | 7.75 | " | |||
| Diameter | Width |
Wheel Material |
Capacity lbs |
Load Height |
Swivel Number |
Swivel Weight |
Bearing Type |