Description
Elevator guide shoe roller 125*22*6303 Brief Introduction
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Product Name |
Elevator guide shoe roller |
| Model Number | 125*22*6303 |
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Quality
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Original.Brand New
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Payment
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T/T. Paypal. Western Union
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Delivery
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3-5 Working Days
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Packaging
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Packed by carton
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Elevator Guide Shoe Roller 125*22*6303: Smooth Guidance Core from Nanjing Zhuye Elevatorparts
Elevator Guide Shoe Roller 125*22*6303 is a critical rolling component for elevator guide shoe systems, with dimensions (outer diameter 125mm, width 22mm, inner bearing model 6303) tailored to match mainstream elevator guide rail profiles. As the “smooth rolling buffer” between the elevator car/counterweight and guide rails, it converts sliding friction into rolling friction, significantly reducing the resistance of the car during operation, ensuring stable and quiet movement, and reducing wear on both the guide shoe and guide rail. This roller directly affects the elevator’s ride comfort, operation efficiency, and the service life of key guiding components. Exclusively supplied by Nanjing Zhuye Elevatorparts, a professional and trusted provider of high-quality elevator accessories, the Elevator Guide Shoe Roller 125*22*6303 fully complies with international elevator safety standards (EN 81-20, GB 7588) and bearing technical regulations (ISO 60049). With high load-bearing capacity, excellent wear resistance, and broad compatibility with elevator guide shoe models, it is widely applied in residential buildings, commercial complexes, high-rise buildings, and public facilities worldwide.
Nanjing Zhuye Elevatorparts adheres to the core philosophy of “Smooth Rolling, Durable & Reliable” and implements rigorous quality control throughout the production and inspection process of the 125*22*6303 guide shoe roller. Each unit undergoes a multi-stage pre-delivery inspection protocol, including load-bearing capacity testing, wear resistance verification, rotation smoothness trials, and corrosion resistance detection. The roller adopts advanced structural design and premium materials: the outer wheel is made of high-strength polyurethane (PU) or nylon with excellent elasticity and wear resistance, effectively absorbing vibration during operation and reducing noise (≤ 55dB); the built-in 6303 deep groove ball bearing is made of high-carbon chromium steel with precision grinding, ensuring smooth rotation and strong load-bearing capacity (rated dynamic load ≥ 19.5kN); the steel inner sleeve is subjected to anti-rust quenching treatment, resisting humidity and dust erosion in the elevator shaft; the integral molding process ensures tight bonding between the outer wheel and inner bearing, avoiding separation during high-speed operation. With standardized mounting interfaces, the 125*22*6303 roller allows for quick and seamless replacement, eliminating the need for complex modifications to existing guide shoe systems.
Step-by-Step Usage Guide for Elevator Guide Shoe Roller 125*22*6303
To maximize the performance and service life of the Elevator Guide Shoe Roller 125*22*6303, and to ensure the stable and smooth operation of the elevator guiding system, strictly follow the professional guidelines provided by Nanjing Zhuye Elevatorparts for installation, use, and maintenance:
1. Professional Installation & Adjustment
Installation must be conducted by certified elevator technicians proficient in elevator car and guide shoe systems. Prior to installation, refer to the compatibility manual provided by Nanjing Zhuye Elevatorparts to confirm that the 125*22*6303 roller is compatible with the target elevator’s guide shoe model, guide rail width, and load capacity. The installation steps are as follows:
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Safety Preparation: Cut off the elevator’s main power supply and lock the power switch to prevent accidental power-on. Operate the elevator car to a safe position (middle floor) using manual traction equipment and fix it with mechanical supports. Remove the old guide shoe roller by disassembling the fixing bolts on the guide shoe bracket.
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Roller Installation: Clean the guide shoe bracket’s roller mounting shaft to remove dust, oil stains, and rust. Install the new 125*22*6303 roller onto the mounting shaft, ensuring it fits tightly without looseness. Fix the roller with the dedicated fixing bolts and washers provided by Nanjing Zhuye Elevatorparts, tightening them evenly according to the specified torque to avoid deformation of the roller’s inner bearing.
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Gap Adjustment: Adjust the position of the guide shoe bracket to ensure the roller is in close contact with the guide rail surface, and the gap between the roller and guide rail is within the standard range (0.1–0.3mm). Ensure that the four rollers (usually two on each side of the guide shoe) are evenly stressed, avoiding one-sided wear. Rotate the roller manually to confirm it rotates smoothly without jamming or abnormal noise.
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Post-Installation Check: Restore the elevator’s power supply and switch to inspection mode, operating the elevator up and down once to verify that the car runs stably without lateral deviation or abnormal noise. Observe the roller’s operation status—ensure there is no obvious sliding or friction between the roller and guide rail, and the elevator’s ride comfort meets the requirements.
2. Daily Operation & Routine Maintenance
Regular inspections and maintenance are essential to early fault detection and ensuring the long-term stable operation of the 125*22*6303 guide shoe roller. Maintenance personnel should integrate the following checks into their daily patrol routines:
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Daily Visual Inspection: During shaft patrols, check the external condition of the roller. Ensure the outer wheel has no obvious wear (wear depth ≤ 2mm), cracks, or deformation; the fixing bolts are tight without looseness; the roller rotates flexibly with the elevator’s operation. Observe the elevator’s operation status—abnormal shaking, noise, or uneven movement may indicate roller faults.
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Weekly Lubrication & Rotation Check: Apply the special lubricating grease recommended by Nanjing Zhuye Elevatorparts to the roller’s inner bearing (via the lubrication hole if equipped) to reduce internal friction and extend service life. Manually rotate the roller to check for jamming or abnormal noise, recording any abnormalities.
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Monthly Cleaning & Maintenance: Clean the roller’s surface and the guide rail contact area with a soft, dry cloth to remove dust, debris, and oil stains. Inspect the roller’s outer wheel for aging (e.g., hardening, cracking) and the inner bearing for oil leakage. Check the tightness of the fixing bolts and re-tighten if necessary.
Recommended Replacement Cycle for Elevator Guide Shoe Roller 125*22*6303
As a core rolling component enduring long-term high-load operation, frequent friction with guide rails, and environmental erosion (humidity, dust, vibration in the shaft), the Elevator Guide Shoe Roller 125*22*6303 has a specified service life. Timely replacement is critical to avoiding faults such as excessive roller wear, inner bearing jamming, or outer wheel cracking—issues that may lead to elevator operation shaking, increased noise, guide rail damage, or even guide shoe system failure, affecting passenger safety and ride comfort.
1. Standard Replacement Cycle
Under normal operating conditions (elevator daily operation time 12–24 hours, daily operation cycles ≥ 1200, environment temperature -10–60℃, humidity 10%–95%), the recommended replacement cycle for the 125*22*6303 roller is 2–3 years. This cycle is determined based on Nanjing Zhuye Elevatorparts’ long-term field operation data, material wear tests, and global user feedback on elevator guiding systems.
2. Adjustments for Special Scenarios
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Harsh Environments & High-Traffic Scenarios: For elevators in high-humidity coastal areas (salt spray corrosion), shaft pits prone to water accumulation, or high-traffic areas (e.g., shopping malls, airports) with daily operation cycles ≥ 2000, the replacement cycle should be shortened to 1–2 years. Harsh conditions and frequent use accelerate the wear of the roller’s outer wheel and inner bearing, significantly reducing the roller’s reliability.
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Low-Frequency Use Scenarios: For elevators with low usage frequency (e.g., villa elevators, small office buildings with daily operation time < 8 hours) and stable shaft environments, the replacement cycle can be extended to 3–4 years—only if Nanjing Zhuye Elevatorparts’ professional technicians conduct an inspection and confirm that the roller’s wear degree, rotation smoothness, and load-bearing capacity meet the original factory standards.
3. Immediate Replacement Conditions
Replace the 125*22*6303 roller immediately if any of the following issues occur, regardless of its service life:
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The roller’s outer wheel is severely worn (wear depth > 4mm), cracked, or detached from the inner bearing, leading to direct contact between the guide shoe bracket and guide rail.
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The inner bearing is stuck or rotates with abnormal noise, causing the elevator to shake violently during operation or fail to move smoothly.
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The roller’s outer wheel is aging, hardening, or deformed, losing its vibration absorption function and significantly reducing ride comfort.
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Professional testing confirms that the roller’s load-bearing capacity drops by more than 30%, failing to meet the elevator’s guiding system requirements.
In conclusion, the Elevator Guide Shoe Roller 125*22*6303 supplied by Nanjing Zhuye Elevatorparts is a high-quality, reliable rolling component tailored for modern elevator guiding systems. By adhering to the correct usage methods, maintenance schedules, and replacement cycles outlined above, elevator maintenance teams can effectively ensure the stable and smooth operation of the elevator system, enhance passenger ride comfort, and extend the service life of key components. Choosing Nanjing Zhuye Elevatorparts means you not only get 100% authentic 125*22*6303 guide shoe rollers but also access to professional technical support—including model matching guidance, on-site installation advice, and prompt after-sales service. Trust Nanjing Zhuye Elevatorparts for your elevator’s smooth guidance needs.













