21 Series Light Medium Duty Casters
Manufacturer: Material Flow
MSRP:
Was:
Now:
$4.19
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- SKU:
- 21 Series Light Medium Duty Casters
- UPC:
The 21 Series offers the same great features as the 20 Series casters, plus a swivel-bearing dust cap to prolong the swivel bearing life. Ideal for stock carts, bakery racks, food service equipment, sound or music equipment and more.
- Bright zinc finish.
- Dust cover helps protect swivel bearings.
- Raceways and yoke hardened for extra strength.
- Heavily embossed, formed steel upper and lower cup.
- Double row ball bearing swivel raceway construction.
- Octagon top raceway is available.
- Bolt hole spacing: 1-3/4"x2-15/16" to 2-3/8"x3-3/8".
- Overall size: 2-3/8"x3-5/8".
- Attaching bolt size: 5/16".
Note: Casters priced below are equipped with A1 mounting plate. More mounting options can be found in the Options tab.
FOB: West Coast Warehouse.
| Model No. | Model No. | Style | Wheel Size | Type | Bearing | Axle Diameter | Overall Height | Swivel Radius | Load Capacity | Price | Qty |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 20766 | S21-30-S-A1-SR | Swivel | 3" Diameter x 1-1/4" Tread Width | Soft Rubber | Nylon | 3/8" | 4-1/4" | 2-3/4" | 125 lbs. |
$7.10
|
|
| 21177 | S21-30-S-A1-SBB | Swivel | 3" Diameter x 1-1/4" Tread Width | Soft Rubber | Ball | 3/8" | 4-1/4" | 2-3/4" | 125 lbs. |
$9.17
|
|
| 21355 | S21-30-S-A1-HR | Swivel | 3" Diameter x 1-1/4" Tread Width | Hard Rubber | Nylon | 3/8" | 4-1/4" | 2-3/4" | 220 lbs. |
$7.10
|
|
| 21807 | S21-30-S-A1-HBB | Swivel | 3" Diameter x 1-1/4" Tread Width | Hard Rubber | Ball | 3/8" | 4-1/4" | 2-3/4" | 220 lbs. |
$9.17
|
|
| 22166 | S21-30-S-A1-LP | Swivel | 3" Diameter x 1-1/4" Tread Width | Light Duty Plastic | Plain | 3/8" | 4-1/4" | 2-3/4" | 220 lbs. |
$6.22
|
|
| 22607 | S21-30-S-A1-HP | Swivel | 3" Diameter x 1-1/4" Tread Width | Heavy Duty Plastic | Plain | 3/8" | 4-1/4" | 2-3/4" | 300 lbs. |
$6.72
|
|
| 22936 | S21-35-S-A1-HP | Swivel | 3 1/2" Diameter x 1-1/4" Tread Width | Heavy Duty Plastic | Plain | 3/8" | 4-11/16" | 3-1/16" | 300 lbs. |
$10.74
|
|
| 23543 | S21-35-S-A1-SR | Swivel | 3 1/2" Diameter x 1-1/4" Tread Width | Soft Rubber | Nylon | 3/8" | 4-11/16" | 3-1/16" | 130 lbs. |
$9.72
|
|
| 23716 | S21-35-S-A1-PB | Swivel | 3 1/2" Diameter x 1-1/4" Tread Width | Polyurethane | Ball / Delrin | 3/8" | 4-11/16" | 3-1/16" | 260 lbs. |
$12.12
|
|
| 24194 | S21-40-S-A1-HR | Swivel | 4" Diameter x 1-1/4" Tread Width | Hard Rubber | Nylon | 3/8" | 5-1/8" | 3-5/16" | 265 lbs. |
$8.59
|
|
| 24584 | S21-35-S-A1-RA | Swivel | 3 1/2" Diameter x 1-1/4" Tread Width | Gray Rubber or Aluminum | Annular | 3/8" | 4-11/16" | 3-1/16" | 225 lbs. |
$10.84
|
|
| 24977 | S21-40-S-A1-SR | Swivel | 4" Diameter x 1-1/4" Tread Width | Soft Rubber | Nylon | 3/8" | 5-1/8" | 3-5/16" | 165 lbs. |
$8.59
|
|
| 25234 | S21-40-S-A1-SBB | Swivel | 4" Diameter x 1-1/4" Tread Width | Soft Rubber | Ball | 3/8" | 5-1/8" | 3-5/16" | 165 lbs. |
$10.38
|
|
| 25830 | S21-40-S-A1-HP | Swivel | 4" Diameter x 1-1/4" Tread Width | Heavy Duty Plastic | Plain | 3/8" | 5-1/8" | 3-5/16" | 300 lbs. |
$7.97
|
|
| 25836 | S21-40-S-A1-SS | Swivel | 4" Diameter x 1-1/4" Tread Width | Steel | Plain | 3/8" | 5-1/8" | 3-5/16" | 300 lbs. |
$15.84
|
|
| 26278 | S21-40-S-A1-PB | Swivel | 4" Diameter x 1-1/4" Tread Width | Polyurethane | Ball / Delrin | 3/8" | 5-1/8" | 3-5/16" | 275 lbs. |
$12.20
|
|
| 26304 | S21-50-S-A1-SR | Swivel | 5" Diameter x 1-1/4" Tread Width | Soft Rubber | Nylon | 3/8" | 6-7/32" | 3-31/32" | 175 lbs. |
$10.50
|
|
| 26659 | S21-40-S-A1-RA | Swivel | 4" Diameter x 1-1/4" Tread Width | Gray Rubber on Aluminum | Annular | 3/8" | 5-1/8" | 3-5/16" | 265 lbs. |
$12.38
|
|
| 26686 | S21-50-S-A1-SBB | Swivel | 5" Diameter x 1-1/4" Tread Width | Soft Rubber | Ball | 3/8" | 6-7/32" | 3-31/32" | 175 lbs. |
$10.74
|
|
| 26914 | S21-40-S-A1-INF | Swivel | 4" Diameter x 1-1/4" Tread Width | Infiniti | Annular / Delrin | 3/8" | 5-1/8" | 3-5/16" | 240 lbs. |
$11.21
|
|
| 27300 | S21-50-S-A1-HP | Swivel | 5" Diameter x 1-1/4" Tread Width | Heavy Duty Plastic | Plain | 3/8" | 6-7/32" | 3-31/32" | 320 lbs. |
$8.90
|
|
| 27558 | S21-50-S-A1-HR | Swivel | 5" Diameter x 1-1/4" Tread Width | Hard Rubber | Nylon | 3/8" | 6-7/32" | 3-31/32" | 275 lbs. |
$10.50
|
|
| 27896 | S21-50-S-A1-HBB | Swivel | 5" Diameter x 1-1/4" Tread Width | Hard Rubber | Ball | 3/8" | 6-7/32" | 3-31/32" | 300 lbs. |
$12.05
|
|
| 28049 | S21-50-S-A1-INF | Swivel | 5" Diameter x 1-1/4" Tread Width | Infiniti | Annular / Delrin | 3/8" | 6-7/32" | 3-31/32" | 240 lbs. |
$12.59
|
|
| 28289 | S21-50-S-A1-LP | Swivel | 5" Diameter x 1-1/4" Tread Width | Light Duty Plastic | Plain | 3/8" | 6-7/32" | 3-31/32" | 230 lbs. |
$7.85
|
|
| 28305 | S21-50-S-A1-RA | Swivel | 5" Diameter x 1-1/4" Tread Width | Gray Rubber on Aluminum | Annular | 3/8" | 6-7/32" | 3-31/32" | 265 lbs. |
$16.61
|
|
| 28697 | S21-30-R-A1-HBB | Rigid | 3" Diameter x 1-1/4" Tread Width | Hard Rubber | Ball | 3/8" | 4-1/4" | 2-3/4" | 220 lbs. |
$7.14
|
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| 29018 | S21-30-R-A1-LP | Rigid | 3" Diameter x 1-1/4" Tread Width | Light Duty Plastic | Plain | 3/8" | 4-1/4" | 2-3/4" | 220 lbs. |
$4.26
|
|
| 29193 | S21-30-R-A1-SR | Rigid | 3" Diameter x 1-1/4" Tread Width | Soft Rubber | Nylon | 3/8" | 4-1/4" | 2-3/4" | 125 lbs. |
$5.22
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| 29664 | S21-30-R-A1-SBB | Rigid | 3" Diameter x 1-1/4" Tread Width | Soft Rubber | Ball | 3/8" | 4-1/4" | 2-3/4" | 125 lbs. |
$7.14
|
|
| 29729 | S21-30-R-A1-PU | Rigid | 3" Diameter x 1-1/4" Tread Width | Polyurethane | Plain | 3/8" | 4-1/4" | 2-3/4" | 220 lbs. |
$7.02
|
|
| 30073 | S21-30-R-A1-SS | Rigid | 3" Diameter x 1-1/4" Tread Width | Steel | Plain | 3/8" | 4-1/4" | 2-3/4" | 2250 lbs. |
$6.93
|
|
| 30369 | S21-35-R-A1-SR | Rigid | 3 1/2" Diameter x 1-1/4" Tread Width | Soft Rubber | Nylon | 3/8" | 4-11/16" | 3-1/16" | 130 lbs. |
$8.02
|
|
| 30692 | S21-30-R-A1-PB | Rigid | 3" Diameter x 1-1/4" Tread Width | Polyurethane | Ball / Delrin | 3/8" | 4-1/4" | 2-3/4" | 220 lbs. |
$8.73
|
|
| 31162 | S21-30-R-A1-INF | Rigid | 3" Diameter x 1-1/4" Tread Width | Infiniti | Annular / Delrin | 3/8" | 4-1/4" | 2-3/4" | 155 lbs. |
$7.68
|
|
| 31581 | S21-35-R-A1-PB | Rigid | 3 1/2" Diameter x 1-1/4" Tread Width | Polyurethane | Ball / Delrin | 3/8" | 4-11/16" | 3-1/16" | 260 lbs. |
$9.39
|
|
| 32036 | S21-40-R-A1-SBB | Rigid | 4" Diameter x 1-1/4" Tread Width | Soft Rubber | Ball | 3/8" | 5-1/8" | 3-5/16" | 165 lbs. |
$8.59
|
|
| 32231 | S21-40-R-A1-HR | Rigid | 4" Diameter x 1-1/4" Tread Width | Hard Rubber | Nylon | 3/8" | 5-1/8" | 3-5/16" | 265 lbs. |
$6.85
|
|
| 32325 | S21-35-R-A1-INF | Rigid | 3 1/2" Diameter x 1-1/4" Tread Width | Infiniti | Annular / Delrin | 3/8" | 4-11/16" | 3-1/16" | 220 lbs. |
$8.40
|
|
| 32452 | S21-40-R-A1-HP | Rigid | 4" Diameter x 1-1/4" Tread Width | Heavy Duty Plastic | Plain | 3/8" | 5-1/8" | 3-5/16" | 300 lbs. |
$6.22
|
|
| 32838 | S21-40-R-A1-HBB | Rigid | 4" Diameter x 1-1/4" Tread Width | Hard Rubber | Ball | 3/8" | 5-1/8" | 3-5/16" | 265 lbs. |
$8.59
|
|
| 32932 | S21-40-R-A1-PB | Rigid | 4" Diameter x 1-1/4" Tread Width | Polyurethane | Ball / Delrin | 3/8" | 5-1/8" | 3-5/16" | 275 lbs. |
$10.15
|
|
| 33071 | S21-40-R-A1-LP | Rigid | 4" Diameter x 1-1/4" Tread Width | Light Duty Plastic | Plain | 3/8" | 5-1/8" | 3-5/16" | 225 lbs. |
$4.97
|
|
| 33583 | S21-40-R-A1-INF | Rigid | 4" Diameter x 1-1/4" Tread Width | Infiniti | Annular / Delrin | 3/8" | 5-1/8" | 3-5/16" | 240 lbs. |
$8.02
|
|
| 34562 | S21-50-R-A1-INF | Rigid | 5" Diameter x 1-1/4" Tread Width | Infiniti | Annular / Delrin | 3/8" | 6-7/32" | 3-31/32" | 240 lbs. |
$10.62
|
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| 34645 | S21-50-R-A1-HBB | Rigid | 5" Diameter x 1-1/4" Tread Width | Hard Rubber | Ball | 3/8" | 6-7/32" | 3-31/32" | 300 lbs. |
$10.05
|
|
| 34794 | S21-50-R-A1-SBB | Rigid | 5" Diameter x 1-1/4" Tread Width | Soft Rubber | Ball | 3/8" | 6-7/32" | 3-31/32" | 175 lbs. |
$10.05
|
|
| 35095 | S21-50-R-A1-LP | Rigid | 5" Diameter x 1-1/4" Tread Width | Light Duty Plastic | Plain | 3/8" | 6-7/32" | 3-31/32" | 230 lbs. |
$5.85
|
|
| 35463 | S21-50-R-A1-HP | Rigid | 5" Diameter x 1-1/4" Tread Width | Heavy Duty Plastic | Plain | 3/8" | 6-7/32" | 3-31/32" | 320 lbs. |
$6.89
|
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| 35817 | S21-50-R-A1-PB | Rigid | 5" Diameter x 1-1/4" Tread Width | Polyurethane | Ball / Delrin | 3/8" | 6-7/32" | 3-31/32" | 240 lbs. |
$8.78
|
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