2026-08-03
NMT Ltd.
Corporate Communications Department
NMT Thrust Ball Bearing | High-Precision Low-Friction High-Pressure Resistant Axial Thrust Bearing 51100/51200/51300/51400 Series for Pumps, Valves, Jacks and Motors
1. Industry Working Condition Pain Points
Vertical hydraulic equipment, pumps, valves and vertical motors mainly bear pure axial vertical pressure and static load. Ordinary radial bearings have extremely limited axial load capacity, prone to raceway collapse and shaft play under heavy vertical pressure. Low-grade thrust bearings suffer from poor flatness and weak structural rigidity, causing deformation, jamming and excessive end runout after pressure bearing, resulting in positioning failure and frequent equipment shutdowns.
2. Product Core Positioning
NMT thrust ball bearings are professionally developed for pure axial heavy pressure and precise end-face limiting working conditions. The flat washer rolling structure maximizes axial bearing capacity and eliminates shaft axial play and end-face deviation. With low friction, high pressure resistance and stable static load performance, they are dedicated precision bearings for vertical power and hydraulic pressure equipment.
3. Structural Principles & Core Advantages
First, Ultra-High Axial Pressure Resistance：Exclusive thrust structure ensures vertical uniform stress, maximizing axial contact area and bearing capacity to withstand extreme static pressure and pushing load.
Second, Precise Anti-Play Limiting Performance：Ultra-precision ground flat washers guarantee high flatness and parallelism, accurately locking axial clearance and eliminating spindle end runout and up-down play.
Third, Low-Friction Smooth Operation：Precision uniformly arranged steel balls achieve smooth rolling without stagnation or abnormal noise, ensuring stable operation under low-speed and high-pressure conditions.
Fourth, Anti-Deformation Static Pressure Resistance：High-hardness quenched raceway structure maintains stable flatness under long-term static pressure, avoiding depression deformation and precision attenuation.
Fifth, Detachable & Easy Maintenance：Modular separable structure simplifies assembly and disassembly, reducing equipment maintenance difficulty and time cost.
4. Full Series Model Classification
51100 Ultra-Thin Light-Load Series：Compact ultra-thin structure for limited installation space and light axial load precision equipment.
51200 Standard Medium-Load Series：Balanced performance and strong universality for conventional motors, pumps, valves and general pressure equipment.
51300 Reinforced Heavy-Load Series：Thickened washer and enlarged balls for medium hydraulic machinery and vertical spindle heavy-load equipment.
51400 Ultra-High Pressure Series：Super thick pressure-resistant structure for heavy-duty jacks, large hydraulic equipment and industrial high-pressure pushing devices.
5. Material & Japanese Precision Heat Treatment Technology
NMT thrust ball bearings adopt high-purity high-chromium bearing steel with high compression resistance and dense microstructure, specially optimized for long-term static pressure and fatigue load conditions.
Integral flat quenching and constant-temperature stabilization tempering processes ensure excellent flatness and anti-deformation performance of washers, solving the precision attenuation defect of ordinary thrust bearings under pressure. Mirror-polished steel balls ensure uniform and stable rolling performance.
Strict static pressure resistance, flatness detection and fatigue durability tests guarantee long-term precise limiting and stable operation of axial pressure equipment.
6. Core Working Condition Advantages
Ultra-strong axial pressure resistance, high-precision anti-play limiting, low-friction smooth operation, anti-deformation long service life, modular easy installation.
7. Wide Application Fields
Hydraulic pressure equipment: Hydraulic jacks, hydraulic presses and vertical pressure forming machinery;
Fluid pump & valve equipment: Vertical water pumps, oil pumps and rotary valve spindles;
Power motor equipment: Vertical industrial motors and vertical transmission power equipment;
General tooling machinery: Precision vertical tooling and axial limiting equipment;
Light industry supporting: Automatic pushing mechanisms and vertical transmission devices.
8. Brand Supply & Customization Service
NMT provides full-series thrust ball bearings with sufficient spot inventory and complete brand interchangeability. Custom services such as high-pressure wear resistance enhancement, high-temperature grease modification and precision upgrading are available. Professional engineers provide one-to-one selection solutions according to actual axial pressure and precision requirements, solving the problems of shaft play, deformation and premature failure of axial load equipment, reducing enterprise operation and maintenance costs.