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Ball screw bearing support units BK BF
$7.71
Material: C45 steel.
Angular contact bearings in C5 support units
Deep groove ball bearings in C7 support units.
It includes 1 set of support units BK+BF.
The bearing inside BF is fixed by default. If you need the bearing to be moved back and forth, please specify.
BK and BF can be sold separately. Please leave a note or contact us.
Unlock Greater Savings
Spend more, save more! Use the codes below at checkout.
$200+ | 5% OFF | Code: 5OFF
$500+ | 10% OFF | Code: 10OFF
$1,000+ | 15% OFF | Code: 15OFF
$2,000+ | 20% OFF | Code: 20OFF
$3,000+ | 25% OFF | Code: 25OFF
$5,000+ | 30% OFF | Code: 30OFF
🚚 Cost-Effective Sea VS Fast-Track Air
LiMo offers sea freight (15–35 business days, country-dependent) as the economical option, plus air shipping for faster delivery (5- 15 business days).
🛡️ Shipping to the U.S.?
We include all duties and taxes upfront (DDP)—no hidden fees or surprises.
🌍 Shipping Internationally?
Let us know if you’d like a DDP shipping option—just leave a note at checkout.
⚡ Need a Faster or Cheaper Shipping Option?
We’ll help you find the best solution. Just reach out!
❓ Have More Questions?
Visit our Shipping & Delivery FAQ for helpful information.
🚀 DDP Air Delivery to the USA
Weight | Shipping Cost | Delivery Time |
0kg - 2.5kg | $39 | 8~14 Workdays |
2.5kg - 5kg | $69 | 8~14 Workdays |
5kg - 10kg | $109 | 8~14 Workdays |
10kg - 15kg | $169 | 8~14 Workdays |
15kg - 20kg | $229 | 8~14 Workdays |
20kg - 25kg | $239 | 8~15 Workdays |
25kg - 30kg | $269 | 8~15 Workdays |
30kg - 40kg | $369 | 8~15 Workdays |
40kg - 50kg | $459 | 10~15 Workdays |
50kg - 60kg | $549 | 10~15 Workdays |
60kg - 75kg | $689 | 10~15 Workdays |
75kg - 90kg | $799 | 10~15 Workdays |
For other destinations in North America and Europe, the shipping cost and delivery times are similar to those for the USA.
🛳️DDP Sea Delivery to the USA
Weight | Shipping Cost | Delivery Time |
10kg - 22kg | $99 | 15~25 Workdays |
22kg - 30kg | $139 | 15~25 Workdays |
30kg - 40kg | $179 | 20~30 Workdays |
40kg - 50kg | $219 | 20~30 Workdays |
50kg - 65kg | $289 | 20~30 Workdays |
65kg - 80kg | $349 | 20~30 Workdays |
80kg - 100kg | $379 | 20~30 Workdays |
100kg - 120kg | $439 | 20~30 Workdays |
120kg - 145kg | $539 | 20~30 Workdays |
145kg - 170kg | $629 | 20~30 Workdays |
170kg - 200kg | $739 | 20~30 Workdays |
Please download the CAD drawings below.
Ball screw support BK BF
Ball screw support units EK EF
Ball screw support units FK FF
FF8