Thrust ball bearing:51120

Product Name: Thrust ball bearing:51120
Type: Ball Bearing Brand : FODA
New Model: 51120 Old Model: 8120
Inner Diameter (mm): 100 Outer Diameter (mm): 135
Thickness (mm): 25 Weight (kg/pc): 0.97

Description

Basic Parameters

FODA Thrust Ball Bearing 51120 is a single-directional axial load-bearing solution with a 100mm ID, 135mm OD, and 25mm thickness, rated for dynamic axial load capacity of 98,500N and static axial load capacity of 232,000N. Constructed from 52100 bearing steel (HRC 58–62) for high wear resistance, it features a detachable design for easy maintenance, precision-ground inner bore for secure shaft fit, and pre-lubrication for convenient installation, suitable for applications requiring unidirectional axial support such as food processing equipment, heavy machinery, and precision manufacturing systems.

Features and Performance

Unidirectional Thrust Load Bearing: Designed to withstand axial loads in one direction only; cannot bear radial loads.We can separate the detachable components to facilitate easy installation, disassembly, and maintenance inspections.Grinded Inner Bore of Race: The inner bore is precision-ground to enable an interference fit with the shaft, ensuring bearing stability and reliability.

Materials and Construction

Bearing Steel Material: Key components (washers, balls) are made from 52100 (Gcr15) bearing steel, offering excellent wear and fatigue resistance.Cage Material: The cage is typically copper or steel, securing and supporting rolling elements within the bearing.Groove Design: Guide grooves on the washers regulate the movement trajectory of rolling elements for smooth operation.

Product Application

FODA’s Thrust Ball Bearing 51120, with its unidirectional axial load capacity, wear-resistant materials, and maintenance-friendly design, is widely used in industrial equipment and precision machinery requiring reliable axial support. Its core application scenarios include:

1. Food and Beverage Processing Industry

Biscuit Forming Machines and Packaging Equipment
In biscuit production lines, the bearing provides unidirectional axial support for rotating rollers, ensuring uniform dough pressing and precision. The detachable design enables quick cleaning, meeting food industry hygiene standards.

Conveyor Systems and Filling Machinery
Used at the shaft ends of conveyor rollers, it withstands axial forces from belt tension while low-noise characteristics meet the quiet operation requirements of food workshops. The smooth bearing surface minimizes material residue and contamination risks.

2. Heavy Industrial Machinery

Screw Conveyors and Hydraulic Presses
In mining or chemical industry screw conveyors, the bearing resists unidirectional axial thrust from material transportation. Its 52100 bearing steel (HRC 58–62) withstands high-wear environments. In hydraulic presses, it ensures stable piston shaft movement and prevents lateral deflection.

Centrifugal Fans and Industrial Pumps
Installed at the end of fan impellers or pump shafts, it supports axial forces from high-speed rotation. The precision-ground inner bore ensures an interference fit with the shaft, reducing vibration and energy loss.

3. Precision Manufacturing and Processing Equipment

Torsion Testing Machines and Extrusion Lines
In material testing equipment (e.g., torsion testing machines), the bearing provides precise axial positioning to ensure reliable test data. In plastic or metal extrusion lines, it withstands axial thrust from screw rotation to maintain continuous and stable extrusion.

Pharmaceutical Tablet Presses and Woodworking Machinery
In pharmaceutical tablet presses, the bearing supports the unidirectional movement of punch shafts to ensure consistent tablet forming. In woodworking machinery (e.g., shoe last manufacturing machines), its low-friction design enhances tool rotation accuracy and reduces woodworking errors.

4. Specialized Industrial Equipment

Machine Tool Slide Tables and Welding Equipment
In machine tool linear slide systems, the bearing provides axial positioning, enabling high-precision linear motion with guide rails. In friction welding machines and other welding equipment, it withstands axial pressure from workpieces to ensure stable weld joints.

Coking Plant Machinery and Gear Hobbing Machines
In coking plant pusher or machines, the bearing resists axial loads in high-temperature, dusty environments. In gear hobbing machines, the copper cage optimizes ball movement trajectories, improving gear tooth surface accuracy and equipment lifespan.

Conclusion
FODA Bearing’s Thrust Ball Bearing 51120, through functional specialization and material optimization, serves as a reliable axial support solution for food processing, heavy machinery, and precision manufacturing. Its design balances performance stability and maintenance economy, making it suitable for diverse industrial applications requiring unidirectional load support, high-precision positioning, or wear resistance.

Product List

Bearing No. Dimensions (mm) Basic Load Rating (N) Weight (kg)
ISO GOST d D B Dyn. C Stat. C0
51100 8100 10 24 9 10000 14000 0.02
51101 8101 12 26 9 10400 15300 0.022
51102 8102 15 28 9 10600 16600 0.023
51103 8103 17 30 9 11400 19600 0.025
51104 8104 20 35 10 12700 20800 0.038
51105 8105 25 42 11 15900 29000 0.056
51106 8106 30 47 11 16800 33500 0.063
51107 8107 35 52 12 17400 37500 0.08
51108 8108 40 60 13 23400 50000 0.12
51109 8109 45 65 14 24200 57000 0.14
51110 8110 50 70 14 25500 63000 0.16
51111 8111 55 78 16 30700 78000 0.247
51112 8112 60 85 17 36400 93000 0.33
51113 8113 65 90 18 37100 98000 0.359
51114 8114 70 95 18 37700 104000 0.385
51115 8115 75 100 19 44200 137000 0.4
51116 8116 80 105 19 44900 140000 0.42
51117 8117 85 110 19 46200 150000 0.44
51118 8118 90 120 22 59200 190000 0.67
51120 8120 100 135 25 85200 270000 0.97
51122 8122 110 145 25 87100 290000 1.05
51124 8124 120 155 25 88400 310000 1.15
51126 8126 130 170 30 111000 390000 1.85
51128 8128 140 180 31 112000 400000 2.05
51130 8130 150 190 31 112000 400000 2.2
51132 8132 160 200 31 112000 425000 2.35
51134 8134 170 215 34 133000 500000 3.3
51136 8136 180 225 34 135000 530000 3.5
51138 8138 190 240 37 172000 655000 4.05
51140 8140 200 250 37 174000 655000 4.25
51144 8144 220 270 37 178000 735000 4.6
51148 8148 240 300 45 234000 965000 7.55
51152 8152 260 320 45 238000 1020000 8.1
51156 8156 280 350 53 319000 1460000 12
51160 8160 300 380 62 364000 1760000 17.5
51164 8164 320 400 63 371000 1860000 19
51168 8168 340 420 64 377000 1960000 20
51172 8172 360 440 65 390000 2000000 21.8
51176 8176 380 460 65 398000 2180000 22.75
51180 8180 400 480 65 403000 2250000 24.2

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