The BTA range of ball transfer units offers push-fit retention for quick installation & replacement – especially important where only single-sided access of mounting surface is reachable. A tolerance ring is also available to compensate where there may be irregularities in the seating hole.
| Reference | Material & Finish | Ball Dia. mm | A mm | B mm | C mm | D mm | Maximum Load Kg. |
|---|---|---|---|---|---|---|---|
| BTA 15 | Chrome Steel Balls, Bright Zinc Plated Pressings | 15.8 | 31 | 21 | 9.5 | 24 | 60 |
| BTA 22 | 22.2 | 45 | 27.5 | 8.2 | 36 | 160 | |
| BTA 30 | 30 | 55 | 37 | 14 | 45 | 300 | |
| BTA 15 NB | Nylon Load Ball, Bright Zinc Plated Pressings | 15.8 | 31 | 21 | 9.5 | 24 | 10 |
| BTA 22 NB | 22.2 | 45 | 27.5 | 8.2 | 36 | 20 | |
| BTA 30 NB | 30 | 55 | 37 | 14 | 45 | 25 | |
| BTA 15 SB | Stainless Steel Load Ball, Bright Zinc Plated Pressings | 15.8 | 31 | 21 | 9.5 | 24 | 60 |
| BTA 22 SB | 22.2 | 45 | 27.5 | 8.2 | 36 | 160 | |
| BTA 30 SB | 30 | 55 | 37 | 14 | 45 | 300 | |
| BTA 15 SS | Stainless Steel Balls & Pressings | 15.8 | 31 | 21 | 9.5 | 24 | 50 |
| Reference | C (mm) | d1 (mm) | Seating Hole Dimension (mm) | Plate Thickness (mm) |
|---|---|---|---|---|
| BTA 15 SC | 6.0 | 30.8 | 25 | 2-3 |
| BTA 22 SC | 7.0 | 45 | 37 | 3-4 |
| BTA 30 SC | 7.0 | 54.9 | 46 | 3-4 |
| Reference | C (mm) | d1 (mm) | Seating Hole Dimension | |
|---|---|---|---|---|
| Min (mm) | Max (mm) | |||
| BTA 15 TR | 10 | 24 | 24.9 | 26.1 |
| BTA 22 TR | 12 | 36 | 36.8 | 37.8 |
| BTA 30 TR | 15 | 45 | 45.9 | 46.9 |
When fitting ball units with fixing clips it is important NOT to strike the load ball when pushing into position as this may damage the ball unit.
