Ball caster 3/8 inch metal ball
Pololu · MPN 951 · agent-readable version
$2.95indicative · 2026-08-18
Captured from Pololu's own structured data on the date shown — not a quote. Availability is deliberately not claimed.
| Pololu | $2.95 · 2026-08-18 | product page ↗ |
Specifications — every value carries its receipt
Mechanical
| Assembled height (with spacers) | 0.4 to 0.6 ″ | vendor page“ter metal ball. The height of the assembled kit ranges from 0.4″ to 0.6″, depending on the combination of included spacers used. Alt” |
| Height (no spacers) | 0.4 ″ | vendor page“″ #2 screws and nuts . The total height of the ball caster, 0.4″, can be increased to about 0.6″ using the included spacers.” |
| Housing material | ABS | vendor page“ed hardware. Overview This ball caster kit includes a black ABS housing, a 3/8″ diameter metal ball, two spacers (1/16″ and” |
| Ball material | metal ball | vendor page“Pololu Ball Caster with 3/8″ Metal Ball Mechanical Components » Ball Casters » Pololu B” |
| Mounting screw size | #2 | vendor page“tal ball, two spacers (1/16″ and 1/8″ thick), and two 7/16″ #2 screws and nuts . The total height of the ball caster, 0.4″” |
| Weight (no spacers or screws) | 0.14 oz | vendor page“lastic ball 0.40″ 0.53″ 0.03 oz 3/8″ metal ball 0.40″ 0.53″ 0.14 oz 1/2″ plastic ball 0.53″ 0.58″ 0.07 oz 1/2″ metal ball 0.53″” |
| Distance between screw holes | 0.53 ″ | vendor page“es weight with no spacers or screws 3/8″ plastic ball 0.40″ 0.53″ 0.03 oz 3/8″ metal ball 0.40″ 0.53″ 0.14 oz 1/2″ plastic ba” |
General
| Ball diameter | 3/8 | vendor page“Pololu Ball Caster with 3/8″ Metal Ball Mechanical Components » Ball Casters &raq” |
Used in
2wd-robot — as caster