Key Features
- Light duty pressed steel ball transfer unit manufactured with standard zinc plated finish.
- All ball contact surfaces are case hardened to ensure a long trouble free service.
- Fitted using Spring Clips or Tolerance Ring.
- Spring Clip BTA 30 SC + Tolerance Ring BTA 30 TR also suitable for use with BTC range.
- BTA units are fitted with a felt seal.
| 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 |
BTA Spring Clip
| 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 |
BTA Spring Clips positioned in the seating hole prior to insertion of the ball unit.
BTA Tolerance Rings
| 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 |
BTA Tolerance Rings to be fitted to ball unit prior to insertion in seating hole.
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.
