Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | High-Grade Wear-Resistant Copper Alloy |
| Model Series | HRB-78 |
| Standard Inner Diameter | 50mm (Customizable) |
| Standard Outer Diameter | 65mm (Customizable) |
| Standard Length | 100mm (Customizable) |
| Hardness Rating | HB 90-110 |
| Surface Finish | Ra 1.6μm Polished |
| Operating Temperature | -20°C to 150°C |
| Customization | OD/ID/Length Machining Available |
| Country of Origin | China |
Anonymous
Apr 11, 2026
Rating: 5/5
Wear resistance is excellent
Been running for 3 months in a high-friction environment. No signs of degradation yet. Will order again.
Anonymous
Mar 30, 2026
Rating: 5/5
Custom machining was precise
Needed a specific length for a retrofit project. The custom specs were followed exactly. Great communication from the seller.
Anonymous
Feb 28, 2026
Rating: 5/5
Perfect fit for our hydraulic press
Ordered the standard size and it slid right into the assembly. The copper quality feels robust and should last a long time under pressure.
Anonymous
Feb 16, 2026
Rating: 4/5
Good quality, shipping took a while
Material seems durable and machining marks are minimal. Only downside was the delivery time was slightly longer than estimated.
Anonymous
Feb 06, 2026
Rating: 4/5
Slightly tighter tolerance than expected
Had to ream it out slightly to fit our specific shaft, but the material quality is top notch. Good value for industrial use.
Q: Is this suitable for high-load applications?
A: Yes, the HRB-78 alloy is designed for heavy-duty machinery and high-load bearing scenarios.
Q: Can you provide mill certificates for the material?
A: Yes, material certification is available upon request at the time of order.
Q: Do you offer bulk discounts for orders over 100 units?
A: Yes, please contact our sales team directly for a customized quote on bulk orders.
Q: Does this require grease lubrication?
A: While self-lubricating to some degree, we recommend standard grease lubrication for optimal service life.
Q: What is the lead time for custom sizes?
A: Typically 7-14 business days depending on the complexity of the machining required.
Candy Naoko Gujima Mr. Saxophone City Pop Sheet Music with Accompaniment Demo
$37.00
Multi-Color Detachable Water Bucket Stand - Office Purified Water Dispenser Holder (Inverted)
$60.95
Oil-Based Original Strong Fast-Drying Adhesive for Metal, Plastic, Rubber, Ceramics, and Wood, Multi-Purpose Transparent Glue (Not 502)
$21.60
Jay Chou - Feng BROTHER_CHAO Piano Accompaniment Sheet Music
$50.00
Toplip Automatic Retractable Air Hose Reel, Water Drum, High-Pressure Foam Drum for Pneumatic Tools and Auto Repair
$118.00
500L Yogurt Production Line - Stand-Up Pouch Filling Machine with Complete Dairy Processing Equipment and Fermentation Tank
$13,720.00
5A Grade Uruguay Natural Deep Purple Amethyst Loose Beads DIY Crystal Accessories Amethyst Loose Round Beads Semi-Finished
$1.20
Car Vacuum Cleaner - High Suction, Compact, Silent, and High-Power
$68.89
Fifty Seven-Character Quatrains in Wang Xizhi's Running Script Calligraphy
$67.00
Food-Grade Square Retainer Storage Case for Orthodontic Aligners and Dentures
$6.72
365-Day Electric Guitarist Training Plan by Toshiro Miyako – Rock Electric Guitar Chinese Tutorial
$53.00
Portable Invisible Aligner Case - Compact Breathable Box for Orthodontic Retainers, Dentures, and Cleaning Storage
$18.80
Makeup Room Shelf Triangle Bathroom Corner Storage Rack No-Drill Wall-Mounted Vanity Organizer
$23.82
Stainless Steel Sink Organizer for Sponges and Steel Wool - Drill-Free Dishwashing Pad Rack with Drainage
$9.50
Monet Detail Watercolor Brush Set - Goat Hair Liner, Round Wolf Hair, Flat Oil Painting and Gouache Brushes
$76.00
365-Day Electric Guitarist Development Plan Beginner Introductory Electric Guitar Textbook Self-Study Tutorial Basic Skills Practice
$28.90
Over-Toilet Storage Rack for Bathroom - Multi-Functional No-Drill Organizer
$14.70
Wuxi 3D Five-Axis CNC High-Pressure Waterjet Cutting Machine for Metal, Glass, and Stone Inlay Patterns
$431,980.00
Zodiac Dragon & Snake Rattle Toy for Babies, Sheepskin Drum Head, Solid Wood, Non-Toxic, Chewable, Sensory Grasping Toy for 6+ Months
$14.80
Menghu Custom Plush Squeaky Keychain with Custom Voice - DIY Anime Comic Fabric Mini Pillow Charm
$12.80
Hell Jazz Drumming: Ultimate Drum Skill Training Institute - Complete Rock Drum Kit Manual and Tutorial for Drummers
$58.00
Custom Calligraphy Felt Mat for Chinese Painting and Brush Writing – Wool Felt Desk Pad or Wall Mat for Four Treasures of the Study
$9,022.00
Mini Watercolor Paint Notebook – Compact, Portable, Thickened Sketchbook for Markers, Ideal for Students and Casual Drawing
$7.58
Manufacturer Sales 35-Piece Automotive Repair Tool Set, 1/2" Pneumatic Socket Set, Extended Impact Sockets
$165.00
Portable Invisible Aligner Case for Invisalign and Children's Orthodontic Retainers
$12.50
Paper Blending Stumps Set for Art Highlighting and Sketching, Professional Smudging Tools for Fine Arts Students
$2.65
Sketch Blending Stump and Knife Set - Art Supplies Including Paper Stumps, Makeup Sponges, Highlight Detail Tools, Charcoal Wipers, and Scraper Kit
$4.08
New Children's Potty Training Seat for Boys and Girls
$28.00
FRP Spray Purification Tower for Thermal Power Plant Exhaust Gas Treatment - Desulfurization, Denitrification, Acid Mist Scrubber, FRP Chimney
$680.00
Handmade Natural Gourd Cute Smiley Face Rattle Baby Soothing Toy Safe for Chewing No Paint
$32.30
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
