Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Tape Dispensers |
| Origin | - |
| Material | Steel Backing with Porous Bronze and PTFM Overlay |
| Inner Diameter | 30 mm |
| Outer Diameter | 34 mm |
| Length | 10 mm |
| Type | SF-1 Self-Lubricating Composite Bushing |
| Max Load Capacity | 250 N/mm² (Static) |
| Friction Coefficient | 0.03 - 0.10 (Dry Running) |
| Operating Temperature | -40°C to +110°C |
| Surface Finish | Precision Machined for Smooth Sliding |
| Application | Automotive, Hydraulic Cylinders, and Industrial Machinery |
Anonymous
Mar 30, 2026
Rating: 4/5
Solid bearing for the price
Does exactly what it says. Easy to press fit into the housing. The sliding motion is very smooth right out of the box. Good value for money.
Anonymous
Mar 22, 2026
Rating: 4/5
Good quality, fast shipping
The bronze composite material feels very durable. I used them in a low-speed, high-load mechanism. They run smoothly and quietly. Took off one star only because the packaging was a bit loose.
Anonymous
Mar 17, 2026
Rating: 5/5
Perfect fit for my hydraulic repair
Ordered these SF-1 bearings for a custom project. The dimensions were exact (30x34x10), and the self-lubricating feature works great without needing grease. Highly recommended for sliding applications.
Anonymous
Mar 17, 2026
Rating: 5/5
Great for automotive suspension links
Replaced old rubber bushings with these metal composite ones on my off-road vehicle. Much better durability and no squeaking. The 30mm size was spot on.
Anonymous
Mar 10, 2026
Rating: 5/5
Reliable industrial component
We use these regularly in our maintenance shop. The SF-1 type is standard for us now. Consistent quality and the PTFE layer ensures long life even in dry conditions.
Anonymous
Mar 03, 2026
Rating: 5/5
Excellent oil-free performance
Needed an oil-free solution for a food processing conveyor modification. These bushings are perfect. No contamination risk and they handle the load well.
Q: What is the maximum shaft speed recommended for this 30mm bearing?
A: For a 30mm inner diameter SF-1 bearing, the maximum recommended sliding speed is typically around 2.5 m/s under moderate load. Higher speeds may require additional cooling or lubrication.
Q: Is this bearing suitable for underwater applications?
A: While the SF-1 material is corrosion-resistant to some degree, it is primarily designed for dry or intermittent lubrication environments. For continuous submerged use, we recommend stainless steel variants or specific marine-grade bushings.
Q: What is the lead time for bulk orders of 500 units?
A: For orders over 100 units, please contact our sales department directly. Standard stock items usually ship within 2-3 business days, but bulk quantities may take 1-2 weeks depending on current inventory levels.
Q: Can this replace a standard bronze bushing directly?
A: In many cases, yes, provided the dimensions match. However, SF-1 composite bearings often allow for thinner wall sections due to higher load capacity, so please verify your housing constraints before swapping.
Q: Do I need to ream the hole after pressing this in?
A: Yes, it is standard practice to ream or hone the bore after press-fitting self-lubricating bushings to account for any compression of the liner and ensure the correct final clearance for the shaft.
Three-Hook Tire Stone Removal Tool, Wheel Groove Cleaner for Removing Stones from Vehicle Tires
$4.80
Pad Printer Accessories: 4-Inch Blade Clamp, Blade Holder, and Doctor Blade Assembly
$5.40
3M Industrial Scouring Pad 7447C, Metal Rust Removal, Stainless Steel Brushing and Polishing Cloth
$4.00
Qinghe Blazing Rose Series
$1,580.00
Cheddar Cheese Production Line, Front-End Processing and Deep Processing Machinery, Mozzarella Cheese Equipment
$25,480.00
MGQ Konjac Noodle Bubble Cleaning Machine, Fully Automatic Soaking and Lifting Washer
$17,555.40
Industrial Large Meat Grinder Fresh Meat Mince Chopper Fruit Vegetable Crusher Meat Grinding and Mixing Integrated Meat Filling Mixer
$32,030.00
Zhuolide D-302 UV Glue - Invisible Adhesive for Transparent Glass, Metal, Coffee Tables, and Crystal Glass, 250g Large Capacity
$130.00
Hell Training Rock Guitar by Shinichi Kobayashi: Electric Guitar Tutorial for Speed Playing
$106.00
![[Buy One Get One Free] Natural Agarwood, Sandalwood, and Cypress Incense Powder Set with Electric Burner](https://www.gosteppe.com/cache/small/product/270397/legacy-main-04181167165316608773b986.webp)
[Buy One Get One Free] Natural Agarwood, Sandalwood, and Cypress Incense Powder Set with Electric Burner
$8.42
Quilt Storage Bag – Large-Capacity Waterproof & Moisture-Proof Moving Pack for Clothes, Luggage, and Comforters
$10.10
Ins-Style Cute Quilted Cotton Camera Storage Bag for CCD and Instant Cameras, Soft Drop-Proof Dust-Proof Small Pouch
$8.50
Gongma Car Tire Stone Removal Tool Set, Tire Cleaning Hook, Multi-Function Stone Picker and Extractor
$40.00
Feileniao 'Competing Beauties' Traditional Chinese Painting Gift Set - Gongbi Line Drawing DIY Kit for Beginners & New Year Gifts
$41.60
9A Natural Ice-Grade Aquamarine Loose Beads - Handmade DIY Bracelets and Necklaces for Women, Devil Blue Crystal Single Bead
$23.10
High-Precision Digital Tire Pressure Gauge with Large Display for Car Inflation
$49.50
Premium Factory Price Low-Temp 3D Printing Pen (2-Pack) - Compatible with PCL Filament
$67.91
Music Theory Book Jazz Theory Introduction Volume 1 Jazz Teaching Theoretical Knowledge Basic Textbook Tutorial HD Electronic Version
$5.00
Extra-Large Transparent Plastic Storage Box with Lid, Home Organizer for Clothes and Household Items
$4.80
Baijiali Artistic Eyebrow Hair Transplant: Bilateral Filling for Sparse Areas, Dense and Natural-Looking Results
$7,800.00
Plastic U-Shaped Trough Mold for Yam Cultivation, Directional Shallow Growth Slots (100 Pieces, Free Shipping)
$31.40
Maikeku Commercial Slow Juicer, Large Pulp-Separating Juice Extractor with High Power, Wide Mouth, Fully Automatic for Street Vending
$7,456.32
Continental CSC5 Tire 245/50R18 104V MO-V for Mercedes-Benz Viano, Vito, V260
$882.00
English Vocabulary Flashcards for Classroom Teaching - Categories Include Weather, Days, Months, Clothing, Home, Seasons, Fruits, Food, and Professions
$8.42
Cabinet Storage Box, Foldable Rattan-Style Basket for Countertop Snacks, Clothes, and Toys
$19.90
Custom PVC Sign Letters, Advertising Signs, Branding Wall Characters, Snowflake Board, Acrylic Crystal Letters for Background Walls
$5.00
Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening
$41.70
Fully Protected Smart Battery Tester - Performance Detector for Electric Vehicle and Car Batteries
$286.00
Large-Diameter Steel Corrugated Drainage Pipe for Bridge Culverts
$61.11
Water Curtain Paint Booth - 3-Meter Spray Station with Water Circulation for Paint Mist Purification, Eco-Friendly Dust Removal, 1-Meter Small Water Curtain Cabinet
$1,980.00
![[10 Boxes] M&G Staples 24/6 Universal No. 12 Stapler Pins, Uniform Binding Nails, Office Stationery, Small Stainless Steel Staples](https://www.gosteppe.com/cache/medium/product/393106/legacy-main-d2d0aeb221cb42ffcbb9d83a.webp)
