Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | High-Grade Copper Alloy |
| Product Model | HRB-78 |
| Inner Diameter | 50mm (Standard) |
| Outer Diameter | 65mm (Standard) |
| Sleeve Length | 100mm |
| Hardness Level | HB 90-110 |
| Surface Treatment | Polished & Deburred |
| Thermal Resistance | Up to 250°C |
| Lubrication Type | Compatible with Oil/Grease |
| Packaging | Industrial Protective Box |
Anonymous
Mar 16, 2026
Rating: 5/5
Perfect for Industrial Use
These liners fit perfectly into our hydraulic press. The copper quality is top-notch and shows minimal wear after months of operation.
Anonymous
Mar 09, 2026
Rating: 5/5
Direct Manufacturer Price
Buying direct saved us a lot compared to local suppliers. The HRB-78 spec is accurate and consistent across the batch.
Anonymous
Feb 21, 2026
Rating: 4/5
Good Quality, Slow Delivery
The product itself is excellent and meets specifications. However, shipping took longer than expected. Still satisfied with the purchase.
Anonymous
Feb 06, 2026
Rating: 4/5
Solid Construction
Heavy duty and well machined. Needed slight adjustment during installation but overall a reliable component for heavy machinery.
Anonymous
Feb 02, 2026
Rating: 5/5
Excellent Wear Resistance
We replaced our old steel bushings with these copper liners. The friction reduction is noticeable and maintenance intervals have increased.
Q: What type of grease is recommended for installation?
A: We recommend high-temperature lithium-based grease for optimal performance and longevity.
Q: Are these compatible with CAT excavators?
A: Yes, the HRB-78 series is commonly used in various heavy equipment including CAT models. Please verify dimensions.
Q: Can you customize the inner diameter sizes?
A: Yes, we provide OEM customization services. Please submit your technical drawings for evaluation.
Q: What is the warranty period for these bearings?
A: All HRB-78 liners come with a 12-month warranty against manufacturing defects under normal use.
Q: Do you offer bulk discounts for orders over 100 units?
A: Yes, we offer tiered pricing for bulk orders. Please contact our sales team for a custom quote.
Yuanhao Irregular Ticket-Style Watercolor Paper Stamp Blank Journal Sheet Postcard Creative Card Bookmark 300g Cotton Pulp Fine Texture Thickened Serrated Edge for Art Students Hand Drawing
$5.32
Residential & Commercial Entrance Nameplate Japanese Wabi-Sabi Style Sign Brass Stainless Steel Wall Light Customizable
$328.00
Carton Packaging Machinery - New Model 2000 Semi-Auto Gluing Machine, Case Sealer, Pressure-Type
$5,000.00
Shandong Manufacturer Household Waste Compactor - Horizontal Transfer Station Equipment for Communities
$44,160.00
460 Fast-Drying Adhesive for Shoes, Ceramics, Wood, Metal, and Plastic, No Whitening Effect
$34.50
231 "Embroidered Plant Garden" Handmade Travel Watercolor Sketchbook Journal Baohong Rubens
$49.00
Beginner Watercolor Painting Line Art Coloring Book: Geisha Theme, Japanese Style Fine Grain, Two-Pack Free Shipping
$10.60
White Clay Tea Brewing Pot, Ceramic Jar, Japanese-style High-temperature Side-handle Teapot and Coffee Pot
$92.00
Michelin Tires 215 225 235 245 255 265/40 45 50 55 60R17 18 19 20
$268.00
![[Damai Holds Micro-Needle Hair Transplant Patent] O-Type Hair Loss | 2500 Grafts Crown Planting by Professional Hair Transplant Clinic](https://www.gosteppe.com/cache/small/product/269464/legacy-main-204729c71a0ebedeeed4d309.webp)
[Damai Holds Micro-Needle Hair Transplant Patent] O-Type Hair Loss | 2500 Grafts Crown Planting by Professional Hair Transplant Clinic
$24,999.00
Brand New Genuine Michelin Tire 275/50R20 109W LATITUDE SPORT 3 - Compatible with Mercedes-Benz GLE
$1,520.00
Bridgestone Quiet Tires 205/215/225/235/245/255/265/R16 R17 R18 R19 R21
$263.00
VFD Cabinet for Constant Pressure Water Supply, PLC-Controlled Fan & Pump System, 4KW, Star-Delta Wiring
$1,351.00
Greenhouse Soil-Free Strawberry Growing Trough - PVC Elevated Hydroponic Channel with Drainage Outlet for Aerial Planting
$6.80
Marie's Sketch Blending Knife Set for Highlights, Shadows, and Quick Sketches - Professional Art Student Smudging Tools with Sponge Blenders, Paper Stumps, and Full Correction Kit for Drawing and Tracing
$9.25
Meiao Dental Imported Implant Package: Swiss ITI Straumann Implant Abutment and Prosthetic Teeth
$5,955.00
Bottled Water Faucet Stand, Large Water Jug Dispenser Rack, Pure Water Bucket Holder with Inverted Drinking Cover
$7.13
Dust Extraction Sanding Table - Industrial Pulse Cartridge Collector for Polishing, Stone, and Woodworking Dust
$600.00
Diamond Tire 255/45R20
$518.00
Amusement Park Suspension Bridge - 15m/20m/25m/30m Viral Swing Bridge with Iron and Steel Chains
$58.00
Paint Spray Catalytic Combustion Equipment - Industrial Exhaust Gas Treatment Device - Activated Carbon Adsorption/Desorption CO Catalytic Combustion
$324,999.00
Car Wheel Tire Bolt Rust-Proof Cap Universal Size 17 19 21 Decorative Dust-Proof Protective Cap Cover
$15.70
Commercial Electric Vegetable Slicer - Multi-Function Stainless Steel Machine for Potatoes and Canteens
$2,017.28
Irregular Ticket Stub Watercolor Paper Stamp Blank Drawing Paper 300g Cotton Pulp Fine Texture Thickened with Serrated Edges Specialized Paper for Art Students
$5.60
Stainless Steel Electric Buffet Warmer with Visible Lid - Square Flip-Top Chafing Dish for Hotels
$251.70
Baohong Cotton Pulp Watercolor Paper Pad 300g Cold/Hot Press, Glued on Four Sides, 16K/8K - Premium Full Cotton Art Paper for Oil Pastels and Professional Artists (Baoding, China)
$17.00
ORDER Industrial Large Roll Wiper Paper Dispenser, TORK Multi-Convenience Roll Stand
$170.00
Lifting Chain Slings Manufacturer, MHU Lifting Gear, G80 Manganese Steel Hoisting Chains, Single and Double Leg Sets
$835.00
Multi-Function Bathroom Storage Rack for Toilet, Washroom, and Sanitary Supplies, Over-Toilet Home Organizer
$20.30
Portable Travel Art Set for Kids - Watercolor Paint Box with Sketchbook and Mini Drawing Board
$9.05
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
