Filter by
System of Measurement
Weight Capacity
Ball Material
Material
Housing Material
Flange Diameter
Housing Finish
Maximum Temperature
Finish
Export Control Classification Number (ECCN)
DFARS Specialty Metals
Performance
Minimum Temperature
Heavy Duty Press-Fit Ball Transfers
![]() | ![]() | ![]() | ![]() |
Style A | Style B | Style C | Style D |
Temp., ° F | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | Ball Dia. | Wt. Cap., lb. | Ht. | Dp. | Dia. | Working Orientation | Flange Dia. | Min. | Max. | Each | |||
Steel Ball | |||||||||||||
Zinc-Plated Steel Housing | |||||||||||||
| A | 1" | 705 | 1/4" | 1 17/32" | 2" | Ball Up, Ball Down, Angled | — | — | — | 6421K53 | 0000000 | ||
| A | 1 1/2" | 2,200 | 1/2" | 1 29/32" | 2 3/8" | Ball Up, Ball Down, Angled | — | — | — | 6421K54 | 000000 | ||
| B | 1 1/8" | 770 | 17/32" | 29/32" | 1 25/32" | Ball Up, Ball Down, Angled | 2 5/32" | — | — | 6421K13 | 00000 | ||
| B | 2 1/4" | 3,300 | 1 5/32" | 1 7/8" | 3 15/16" | Ball Up, Ball Down, Angled | 2 19/32" | — | — | 6421K14 | 000000 | ||
| C | 1 3/16" | 770 | 17/32" | 29/32" | 1 25/32" | Ball Up, Ball Down, Angled | 2 5/32" | — | — | 6421K81 | 00000 | ||
| C | 1 3/4" | 1,325 | 3/4" | 1 11/32" | 2 7/16" | Ball Up, Ball Down, Angled | 2 15/16" | — | — | 6421K82 | 000000 | ||
| D | 1 3/4" | 670 | 3/4" | 1 11/32" | 2 7/16" | Ball Up, Ball Down, Angled | 2 15/16" | — | — | 6421K69 | 000000 | ||
Black-Oxide Steel Housing | |||||||||||||
| A | 1/2" | 75 | 1/8" | 5/8" | 13/16" | Ball Up, Ball Down, Angled | — | — | — | 6421K51 | 00000 | ||
| A | 1/2" | 100 | 5/32" | 23/32" | 7/8" | Ball Up, Ball Down, Angled | — | — | — | 6421K48 | 00000 | ||
| A | 1" | 500 | 9/32" | 1 11/32" | 1 3/4" | Ball Up, Ball Down, Angled | — | — | — | 6421K49 | 000000 | ||
Stainless Steel Ball | |||||||||||||
Stainless Steel Housing | |||||||||||||
| D | 1" | 550 | 3/8" | 1 7/32" | 1 1/2" | Ball Up, Ball Down, Angled | 1 25/32" | — | — | 6421K17 | 000000 | ||
| D | 1 3/16" | 970 | 17/32" | 29/32" | 1 25/32" | Ball Up, Ball Down, Angled | 2 5/32" | — | — | 6421K18 | 000000 | ||
| D | 1 3/4" | 1,575 | 3/4" | 1 11/32" | 2 7/16" | Ball Up, Ball Down, Angled | 2 15/16" | — | — | 6421K19 | 000000 | ||
Nylon Ball | |||||||||||||
Zinc-Plated Steel Housing | |||||||||||||
| D | 1 3/16" | 770 | 17/32" | 29/32" | 1 25/32" | Ball Up, Ball Down, Angled | 2 5/32" | 32 | 250 | 6421K15 | 00000 | ||
| D | 1 3/4" | 1,325 | 3/4" | 1 11/32" | 2 7/16" | Ball Up, Ball Down, Angled | 2 15/16" | 32 | 250 | 6421K16 | 000000 | ||
Press-Fit Ball Transfers
![]() | ![]() | ![]() |
Style A | Style B | Style C |
![]() | ![]() | |
Style D | Style E |
Temp., ° F | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | Ball Dia. | Wt. Cap., lb. | Ht. | Dp. | Dia. | Working Orientation | Flange Dia. | Min. | Max. | Each | |||
Steel Ball | |||||||||||||
Zinc-Plated Steel Housing | |||||||||||||
| A | 1/2" | 65 | 7/32" | 1/2" | 7/8" | Ball Up, Ball Down, Angled | 1/2" | — | — | 6421K21 | 000000 | ||
| B | 5/8" | 40 | 3/8" | 3/8" | 1" | Ball Up | 1 3/8" | — | — | 6421K41 | 0000 | ||
| C | 5/8" | 65 | 3/8" | 7/16" | 15/16" | Ball Up, Ball Down, Angled | 1 7/32" | — | — | 6421K66 | 00000 | ||
| C | 7/8" | 175 | 3/8" | 25/32" | 1 13/32" | Ball Up, Ball Down, Angled | 1 25/32" | — | — | 6421K67 | 00000 | ||
| C | 1 3/16" | 330 | 17/32" | 29/32" | 1 25/32" | Ball Up, Ball Down, Angled | 2 3/16" | — | — | 6421K68 | 00000 | ||
| D | 5/8" | 125 | 3/8" | 13/16" | 15/16" | Ball Up, Ball Down, Angled | 1 3/16" | — | — | 6421K31 | 00000 | ||
| D | 1" | 200 | 5/8" | 1 1/4" | 1 13/32" | Ball Up, Ball Down, Angled | 1 21/32" | — | — | 6421K32 | 00000 | ||
| E | 5/8" | 130 | 7/32" | 7/16" | 15/16" | Ball Up, Ball Down, Angled | 1 1/4" | — | — | 6421K22 | 00000 | ||
| E | 1" | 440 | 3/8" | 21/32" | 1 1/2" | Ball Up, Ball Down, Angled | 1 3/4" | — | — | 6421K23 | 00000 | ||
Stainless Steel Ball | |||||||||||||
Zinc-Plated Steel Housing | |||||||||||||
| D | 5/8" | 125 | 3/8" | 13/16" | 15/16" | Ball Up, Ball Down, Angled | 1 3/16" | — | — | 6421K33 | 00000 | ||
| D | 1" | 200 | 5/8" | 1 1/4" | 1 13/32" | Ball Up, Ball Down, Angled | 1 21/32" | — | — | 6421K34 | 00000 | ||
Stainless Steel Housing | |||||||||||||
| A | 1/2" | 100 | 7/32" | 1/2" | 7/8" | Ball Up, Ball Down, Angled | 1/2" | — | — | 6421K27 | 00000 | ||
| C | 5/8" | 80 | 3/8" | 7/16" | 15/16" | Ball Up, Ball Down, Angled | 1 7/32" | — | — | 6421K62 | 00000 | ||
| C | 7/8" | 220 | 3/8" | 25/32" | 1 13/32" | Ball Up, Ball Down, Angled | 1 3/4" | — | — | 6421K63 | 00000 | ||
| D | 5/8" | 125 | 3/8" | 13/16" | 15/16" | Ball Up, Ball Down, Angled | 1 3/16" | — | — | 6421K35 | 00000 | ||
| D | 1" | 200 | 5/8" | 1 1/4" | 1 13/32" | Ball Up, Ball Down, Angled | 1 21/32" | — | — | 6421K36 | 00000 | ||
| E | 5/8" | 200 | 7/32" | 7/16" | 15/16" | Ball Up, Ball Down, Angled | 1 1/4" | — | — | 6421K28 | 00000 | ||
Nylon Ball | |||||||||||||
Zinc-Plated Steel Housing | |||||||||||||
| A | 1/2" | 65 | 7/32" | 1/2" | 7/8" | Ball Up, Ball Down, Angled | 1/2" | 32 | 250 | 6421K24 | 00000 | ||
| D | 5/8" | 125 | 3/8" | 13/16" | 15/16" | Ball Up, Ball Down, Angled | 1 3/16" | 32 | 212 | 6421K37 | 00000 | ||
| D | 1" | 200 | 5/8" | 1 1/4" | 1 13/32" | Ball Up, Ball Down, Angled | 1 21/32" | 32 | 212 | 6421K38 | 00000 | ||
| E | 5/8" | 130 | 7/32" | 7/16" | 15/16" | Ball Up, Ball Down, Angled | 1 1/4" | 32 | 250 | 6421K25 | 00000 | ||
| E | 1" | 440 | 3/8" | 21/32" | 1 1/2" | Ball Up, Ball Down, Angled | 1 3/4" | 32 | 250 | 6421K26 | 00000 | ||
Stainless Steel Housing | |||||||||||||
| C | 5/8" | 20 | 3/8" | 7/16" | 15/16" | Ball Up, Ball Down, Angled | 1 7/32" | -20 | 175 | 6421K61 | 00000 | ||



































