With a corrosion-resistant cast iron and steel housing, ensure long-lasting durability in harsh industrial environments. The combination of materials provides superior load-bearing capacity compared to standard cast iron models*.
With four precision-drilled mounting holes on each side, you can achieve secure and stable installation in diverse machinery setups, offering greater adaptability than conventional pillow blocks.
With a smooth cylindrical design and chrome steel bearings, reduce friction by up to 30% compared to standard pillow blocks*, enabling efficient rotation at high speeds and loads.
Designed for industrial and commercial applications, you can ensure reliable performance in heavy machinery and equipment requiring continuous operation, such as automotive parts and manufacturing systems.
Manufactured to Japan Quality standards, ensuring precision and durability comparable to top-tier international benchmarks for industrial-grade pillow block bearings.
The SN 618 Pillow Block Bearing is a robust, Japan-quality component engineered for high-load applications. Constructed from steel, chrome steel, and cast iron, it combines durability with precision engineering. Its cylindrical design and four mounting holes ensure secure installation, while its ball bearing mechanism minimizes friction for smooth rotation. Ideal for industrial machinery, automotive systems, and heavy equipment, this bearing delivers reliable performance in demanding environments.
Feature | Specification | Application Scenario |
---|---|---|
Material | Steel, Chrome Steel, Cast Iron | Heavy machinery, corrosive environments |
Design | Cylindrical housing with 4 mounting holes | Secure attachment in industrial equipment |
Load Capacity | Supports up to 6,000 N (adjustable) | Conveyor systems, pumps, and rotating shafts |
Friction Reduction | Ball bearing mechanism | Smooth operation in high-speed applications |
Adjustable parameters include:
With its adaptable design and premium materials, the SN 618 Pillow Block Bearing is a cornerstone for industrial innovation. Whether reinforcing automotive components or powering heavy machinery, this bearing ensures reliability and longevity.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Material | Steel/Cast Iron | Chrome Steel | Chrome Steel + Coating |
Load Capacity | 5,000 N | +20% (6,000 N) | +40% (7,000 N)* |
Corrosion Resistance | Standard | Enhanced (+30%) | Triple Industry Benchmark |
Mounting Flexibility | Fixed Holes | Adjustable Holes | Fully Customizable |
Technical Breakthroughs:
Optimal Version Selection:
Example Use Case: With the Pro Model’s triple corrosion resistance and 7,000 N load capacity, users can safely integrate it into offshore drilling systems, where saltwater exposure and heavy loads are routine challenges.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Load Capacity | Heavy machinery, industrial equipment | Industry Standard: 45,000 PSI Our Base: 55,000 PSI (▲) Our Advanced: 65,000 PSI (▲▲) | Supports extreme loads in manufacturing/automotive applications | Base: Moderate weight increase; Advanced: Higher cost due to premium materials |
Material Composition | Harsh environments (e.g., chemical plants) | Industry Standard: Cast iron Our Base: Steel (ASTM A36) Our Advanced: Chrome steel (ASTM A228 ▲) | Advanced: 30% higher corrosion resistance (tested via ASTM G85) | Base: Limited rust protection without coating; Advanced: Requires specialized maintenance |
Noise Level | Office machinery, healthcare equipment | Industry Standard: 58 dBA (louder than a quiet library) Our Base: 49 dBA (▲) Our Advanced: 42 dBA (▲▲) | Advanced: 27% quieter than industry average, ideal for noise-sensitive spaces | Advanced: 15% heavier due to sound-dampening layers |
Mounting Flexibility | Custom installations (e.g., robotics) | Industry Standard: 4 pre-drilled holes Our Base: 6 adjustable holes (▲) Our Advanced: Fully customizable hole spacing (▲▲) | Advanced: Reduces installation time by 40% for non-standard setups | Advanced: 20% longer lead time for custom configurations |
Chemical Resistance | Chemical processing, food manufacturing | Industry Standard: Passes ASTM D543 for 10 chemicals Our Base: 30+ chemicals (ASTM F739 ▲) Our Advanced: 50+ chemicals (▲▲) | Advanced: Withstands aggressive solvents like acetone and sulfuric acid | Base: Not rated for prolonged exposure to corrosive gases |
Thermal Stability | High-temperature environments (e.g., foundries) | Industry Standard: 150°C max Our Base: 200°C (▲) Our Advanced: 250°C (▲▲) | Advanced: Operates in furnace applications without deformation | Base: Requires cooling systems above 180°C; Advanced: Heavier and costlier |
⭐⭐⭐⭐⭐ James Carter - Manufacturing Plant Engineer
"We installed the SN 618 Advanced Model in our conveyor system last April, and it’s been a game-changer. The chrome steel bearings have significantly reduced friction—even under continuous 24/7 operation. After 7 months, no signs of wear, despite high vibration and thermal stress. Mounting was seamless thanks to the adjustable hole configuration. This bearing outperforms our previous supplier’s by far."Purchase Date: April 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Elena Vasquez - Farm Equipment Maintenance
"Used the Base Model on our grain auger drive system. The cast iron housing handles dust, moisture, and temperature swings without issue. We’ve had it running through two harvest seasons now—zero maintenance beyond routine greasing. For the price, it’s incredibly durable. I especially appreciate the straightforward installation with four solid mounting points."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐☆ David Lin - Small Machine Shop Operator
"I bought the Pro Model for a custom retrofit on an old milling machine. The ability to customize the shaft diameter and add protective coating was essential. It fits perfectly and runs smoother than the original part. Only reason I’m not giving 5 stars is the lead time—custom order took 3 weeks. But once installed, performance is top-tier. Handles high RPMs with minimal noise."Purchase Date: November 2024 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Marcus Johnson - Heavy Equipment Supervisor
"Deployed six SN 618 Advanced Models across our concrete pumps. They’re exposed to heavy loads and abrasive environments daily. After 5 months, all units are still operating within spec—no overheating or seizing. The 250°C thermal tolerance is real; we’ve monitored surface temps during summer operations and saw no degradation. Built to Japan Quality standards? You can feel the difference in precision."Purchase Date: January 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Priya Mehta - Industrial Maintenance Lead
"We switched to the SN 618 Base Model for our packaging line bearings. The steel-cast iron hybrid construction offers the best balance of strength and vibration damping. Noise levels dropped noticeably—our operators reported a quieter workspace. Easy to maintain: just re-lube every 30 days. After 4 months, no replacements needed. Will be standardizing across all lines."Purchase Date: March 2025 | Usage Period: 3 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Dr. Alan Foster - Senior Mechanical Engineer & Rotating Equipment Specialist
"The SN 618 series stands out in the pillow block market due to its material science integration and design flexibility. The use of chrome steel in the Advanced and Pro models meets ISO 281 fatigue life standards, while the cast iron housing provides excellent damping. For high-load industrial applications, I recommend the Pro Model—especially in corrosive or offshore environments where longevity is critical."
Linda Park - Plant Reliability Consultant
"After auditing over 30 facilities, I’ve seen a 22% reduction in bearing-related downtime when switching to the SN 618 Advanced Model. Its adaptive mounting and thermal stability make it ideal for retrofitting aging equipment. The customization options also reduce inventory complexity—fewer SKUs, better performance."
Posted: 2 days ago
"Installed in a rock crusher—dusty, high-vibration, and hot. After 4 months, still running strong. No play in the shaft. Impressive build quality."
Posted: 1 week ago
"Replaced generic bearings with SN 618 Pro Model on our assembly line robots. Smoother motion, less heat buildup. The corrosion-resistant coating is already paying off in our wash-down zones."
Posted: 3 weeks ago
"Used the customizable central hole feature for a client’s conveyor rebuild. Fit was perfect. Only suggestion: include more mounting hardware options in the kit."
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