High-Performance SFU5010-4 Ball Screw Wearproof & Smooth Operation
Specifications
| Ballscrew Model | SFU5010-4 / SFU5020-4 / SFU6310-4 / SFU6320-4 |
| Internal Diameter | 50mm / 63mm |
| External Diameter | Approx. 60mm / 75mm |
| Lead Accuracy | C7 Precision Class |
| Features | Wear-resistant, Smooth Operation |
Introduction
Precision ballscrews designed for high-performance machinery. Offers durable wearproof construction and exceptionally smooth motion control. Ideal for CNC machines and automation equipment requiring reliable linear motion.
Contact us immediately
- Size Guide
Size Guide
DRESSEST-SHIRTBOTTOMSDRESSESSize Chest Waist Hips XS 34 28 34 S 36 30 36 M 38 32 38 L 40 34 40 XL 42 36 42 2XL 44 38 44 All measurements are in INCHES
and may vary a half inch in either direction.
T-SHIRTSize Chest Waist Hips 2XS 32 26 32 XS 34 28 34 S 36 30 36 M 38 32 38 L 40 34 40 XL 42 36 42 All measurements are in INCHES
and may vary a half inch in either direction.
BOTTOMSSize Chest Waist Hips XS 34 28 34 S 36 30 36 M 38 32 38 L 40 34 40 XL 42 36 42 2XL 44 38 44 All measurements are in INCHES
and may vary a half inch in either direction.
- Delivery & Return
Delivery
Store delivery FREE
1-3 working days
Home or collection point from £35.00 FREE
On all your orders for home or collection point delivery
Returns
Return
We will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period).
Returns in store FREE
Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed. Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.
- Ask a Question
Basic Info.
WHY KOYOSKF BEARINGS
In order to supply even more stable quality to our vast customers, we established a factory in Liao Cheng city,Shandong province.
Beside standard specifications, we also provide the customized service.Welcome all of customers visit our factory . We look forward to establishing a good long-termbusiness relationship with you.
KOYOSKF Bearing Manufacturer Show
In addition to our own production of bearings, bearing manufacturers, we have established as many as 600 partnerships; if there is a demand in the world, we will purchase to meet the needs of different customers.
FAQ
Frequently Asked Questions
Yes—we customize size, material, precision, or branding per your needs. Samples are provided for confirmation before mass production.
- Our products hold ISO 9001, TS 16949, and DIN/SAE certifications. We conduct strict inspections from raw materials to pre-shipment.
Standard lead time: 15–30 working days. Urgent orders can be expedited to 7–15 days (subject to feasibility).
All products come with a 12–24 month warranty. We offer free replacement/repair for quality issues, with 24-hour response.
We support T/T (30% deposit + 70% balance), L/C, and PayPal (small orders). Transactions are secured via trusted channels.
MOQ varies by product type—starting from 100 units for standard items. Flexible MOQ for long-term partners or customized orders.
WHAT OUR CLIENTS SAY
James Cooper
KOYO bearings are durable and precise; their stable performance cuts our downtime greatly, and your reliable supply wins our trust.
Lisa Morgan
KOYO bearings boast excellent quality; their long service life reduces our replacement costs, and your professional service makes cooperation smooth.
Mike Wilson
KOYO bearings run steadily and well; their high precision fits our equipment perfectly, and your on-time delivery never lets us down.
Emma Clark
KOYO bearings are top-grade and reliable; their anti-wear feature boosts efficiency, and your thoughtful after-sales support gives us reassurance.
John Smith
KOYO bearings exceed our expectations; their sturdy quality adapts to heavy work, and your consistent supply secures our production.
Anna White
KOYO bearings are premium and durable; their stable operation meets strict demands, and your sincere service makes us a steady partner.
- Steel Guide Rail
- Thrust Taper Roller Bearing
- Deep Groove Ball Bearing
- Linear Bearing
- Pillow Block Bearing
- Alloy Guide Rail
- Cylindrical Roller Bearing
- Machine Tools Accessories
- Angular Contact Ball Bearing
- Thrust Needle Roller Bearing
- Thrust Ball Bearing
- Thrust Self-aligning Roller Bearing
- Auto Bearing
- Auto Air Conditioning Compressor
- Self-Aligning Ball Bearing
- Spherical Plain Bearing
- Spherical Roller Bearing
- Plain Bearing
- Taper Roller Bearing
- Bearing Block
- Needle Bearing
- Bearing Accessories
Related Products
Product Introduction
The LM8UU linear bearing, crafted from high-quality Bearing Steel, features a Square flange and Straight shape. Designed as a Single row, Unseparated structure with a 0° Contact Angle, it offers precision grades P0-P2. Ideal for Electronic Equipment and Food Machinery, this Non-Aligning Bearing supports OEM service with reliable performance.
Product Parameters
| Model NO. | LM8UU |
| Material | Bearing Steel |
| Flange Shape | Square |
| Precision | P0 P6 P5 P4 P2 |
| Application | Electronic Equipment, Food Machinery |
| Origin | Japan |
Product Parameters
| Model NO. | LM16UU |
| Material | Bearing Steel |
| Type | Lengthen |
| Application | Electronic Equipment, Food Machinery |
| Precision | P0 P6 P5 P4 P2 |
| Origin | Japan |
Introduction
The LM16UU linear bearing, made of high-quality Bearing Steel, features a lengthened type design with precision grades P0, P6, P5, P4, P2. Originating from Japan, it is ideal for Electronic Equipment and Food Machinery, ensuring reliable performance in various industrial applications.
Product Parameters
| Model NO. | LM30UU |
| Material | Bearing Steel |
| Type | Lengthen |
| Precision | P0 P6 P5 P4 P2 |
| Application | Electronic Equipment, Food Machinery |
| Origin | Japan |
Introduction
LM30UU lengthened linear bearing with bearing steel material, featuring single row and non-aligning design. Available in P0-P2 precision grades, suitable for electronic equipment and food machinery. Unseparated structure ensures stable performance, offered with OEM service. Originated from Japan, providing reliable linear motion solutions.
Specifications
| Inner Diameter | 8-50mm (varies by model) |
| Outer Diameter | Varies with flange block design |
| Thickness | Standard for linear motion series |
Description
Precision flanged linear ball bearings ensure smooth, reliable linear motion. Suitable for automation, machinery, and industrial applications requiring high load capacity and durability.
Specifications
| Inner Diameter | 6mm, 8mm, 10mm, 12mm, 13mm |
| Outer Diameter | 24mm, 26mm, 28mm, 30mm, 32mm |
| Thickness | 19mm, 20mm, 21mm, 22mm, 24mm |
Description
Precision linear ball bearings with square flange for CNC and industrial motion systems. Designed for smooth, durable guidance in automation equipment. Available in multiple sizes to fit standard shafts.
Specifications
| Bore Diameter | 8mm, 10mm, 12mm |
| Outer Diameter | 15mm, 19mm, 21mm |
| Thickness | 24mm, 26mm, 28mm |
Description
Precision CNC linear slide guide bushing bearing with flange block. Compatible models: LMF8SUU, LMF8UU, LMF10UU, LMF12UU. Ideal for automation, 3D printers, and CNC machines requiring smooth linear motion. Durable construction ensures long service life under high load and speed.
Specifications
| Inner Diameter | 8, 12, 16, 20, 25 mm |
| Outer Diameter | 24, 32, 40, 47, 52 mm |
| Thickness | 19, 24, 28, 32, 35 mm |
Description
High Precision Flange Linear Bearings provide smooth and reliable linear motion for industrial applications. Available in multiple sizes (8–25 mm bore), these bearings feature a robust design with excellent load capacity and durability, ideal for automation, machinery, and precision equipment.
Specifications
| Inner Diameter | 50mm / 60mm |
| Outer Diameter | Standard Flange Mount |
| Thickness | Compact Design |
Description
High-performance linear motion slide unit with integrated ball bearing and flange block. Designed for smooth, precise movement in automotive and industrial applications. Offers durability, low friction, and easy installation for reliable linear guidance.
Specifications
| Inner Diameter | 8 mm, 12 mm, 30 mm, 40 mm, 50 mm, 60 mm |
| Outer Diameter | 19 mm, 26 mm, 42 mm, 52 mm, 62 mm, 72 mm |
| Thickness | 24 mm, 28 mm, 37 mm, 47 mm, 57 mm, 67 mm |
Description
High-quality linear bearing with flange block, suitable for precision motion systems. Features smooth operation, durable construction, and multiple size options for versatile applications in industrial machinery and automation equipment.
Specifications
| Bore Diameter | Inner dimension for shaft fit |
| Outer Diameter | Compact housing size |
| Thickness | Profile depth for space-limited use |
Overview
Precision IKO linear bearing designed for smooth, reliable linear motion in compact applications. Ideal for miniaturized machinery and automation systems requiring high load capacity and durability.
Specifications
| Inner Diameter | 20-40mm |
| Outer Diameter | 30-52mm |
| Thickness | 20-40mm |
Description
Precision linear motion bearings in sizes LM20UU to LM40UU. Designed for smooth, reliable movement in compact applications. Ideal for CNC machines, 3D printers, and automation equipment requiring low-friction guidance.
Product Parameters
| Model NO. | LM3UU LM4UU LM5UU LM6UU LM8UU LM10UU LM12UU LM16UU |
| Material | Bearing Steel |
| Type | Lengthen |
| Precision | P0 P6 P5 P4 P2 |
| Origin | Japan |
| Application | Electronic Equipment, Food Machinery |
Introduction
This series of lengthened linear bearings features bearing steel construction with multiple precision grades (P0-P2). Available in models LM3UU to LM16UU, they are non-aligning, single-row bearings suitable for electronic equipment and food machinery. Originating from Japan, these OEM bearings offer reliable performance with 0° contact angle and unseparated design, ensuring stable operation in various industrial applications.




