BMT designs and produces Cylindrical Roller Thrust Bearings to solve one of the most critical problems in heavy-duty machinery: extreme axial load failure under continuous operation.
Based on our real production experience in bearing manufacturing since 2004, we understand how equipment in steel rolling mills, crushers, marine propulsion systems, and large compressors often face unstable thrust performance. To address this, we developed a reinforced structural design that improves load distribution and operational stability under high-pressure working conditions.
Unlike conventional thrust bearings, our design uses optimized roller geometry and precision-machined raceways, allowing the bearing to maintain stable performance even under continuous impact and vibration environments.

| Cylindrical Roller Thrust Bearings | |||||||||
| Bearing Model | Dimensions (mm) | Basic Load Ratings (kN) | Limiting Speed (rpm) | Weight | |||||
| d | d1 | D | H | Cr (Axial) | Cor (Axial) | Grease | Oil | (kg) | |
| 81100 Series (ASMI 51100 Series Metric) | |||||||||
| 81102 | 15 | 15 | 28 | 9 | 9.5 | 19 | 3800 | 5300 | 0.028 |
| 81103 | 17 | 17 | 30 | 9 | 10 | 21.2 | 3600 | 5000 | 0.032 |
| 81104 | 20 | 20 | 35 | 10 | 14.2 | 31.5 | 3400 | 4800 | 0.052 |
| 81105 | 25 | 25 | 42 | 11 | 19.2 | 45 | 3000 | 4300 | 0.082 |
| 81106 | 30 | 30 | 47 | 11 | 20.5 | 50 | 2800 | 4000 | 0.095 |
| 81107 | 35 | 35 | 52 | 12 | 24.5 | 60 | 2600 | 3800 | 0.12 |
| 81108 | 40 | 40 | 60 | 13 | 32.5 | 77.5 | 2400 | 3600 | 0.18 |
| 81109 | 45 | 45 | 65 | 14 | 35.5 | 87.5 | 2200 | 3400 | 0.22 |
| 81110 | 50 | 50 | 70 | 14 | 38 | 95 | 2000 | 3200 | 0.25 |
| 81111 | 55 | 55 | 78 | 16 | 48 | 120 | 1900 | 3000 | 0.35 |
| 81112 | 60 | 60 | 85 | 17 | 55 | 142 | 1800 | 2800 | 0.45 |
| 81113 | 65 | 65 | 90 | 18 | 58 | 155 | 1700 | 2600 | 0.52 |
| 81114 | 70 | 70 | 95 | 18 | 60 | 162 | 1600 | 2400 | 0.58 |
| 81115 | 75 | 75 | 100 | 19 | 63 | 172 | 1500 | 2200 | 0.65 |
| 81116 | 80 | 80 | 105 | 19 | 65 | 180 | 1400 | 2000 | 0.7 |
| 81117 | 85 | 85 | 110 | 19 | 67 | 190 | 1300 | 1900 | 0.75 |
| 81118 | 90 | 90 | 120 | 22 | 85 | 240 | 1200 | 1800 | 1.1 |
| 81120 | 100 | 100 | 135 | 25 | 108 | 315 | 1100 | 1700 | 1.65 |
| 81122 | 110 | 110 | 145 | 25 | 112 | 335 | 1000 | 1600 | 1.9 |
| 81124 | 120 | 120 | 155 | 25 | 115 | 345 | 950 | 1500 | 2.1 |
| 81126 | 130 | 130 | 170 | 30 | 150 | 450 | 900 | 1400 | 3 |
| 81128 | 140 | 140 | 180 | 31 | 155 | 465 | 850 | 1300 | 3.3 |
| 81130 | 150 | 150 | 190 | 31 | 158 | 480 | 800 | 1200 | 3.6 |
| 81132 | 160 | 160 | 200 | 31 | 160 | 495 | 750 | 1100 | 3.9 |
| 81134 | 170 | 170 | 215 | 34 | 180 | 560 | 700 | 1000 | 4.8 |
| 81136 | 180 | 180 | 225 | 34 | 183 | 575 | 670 | 950 | 5.2 |
| 81138 | 190 | 190 | 240 | 37 | 212 | 670 | 630 | 900 | 6.5 |
| 81140 | 200 | 200 | 250 | 37 | 215 | 680 | 600 | 850 | 7 |
| 81144 | 220 | 220 | 270 | 37 | 220 | 700 | 530 | 750 | 7.8 |
| 81148 | 240 | 240 | 300 | 45 | 285 | 950 | 480 | 670 | 11.5 |
| 81152 | 260 | 260 | 320 | 45 | 290 | 980 | 430 | 600 | 12.5 |
| 81156 | 280 | 280 | 350 | 53 | 375 | 1320 | 380 | 530 | 18.5 |
| 81160 | 300 | 300 | 380 | 62 | 480 | 1750 | 340 | 480 | 27 |
| 81200 Series (ASMI 51200 Series Metric) | |||||||||
| 81204 | 20 | 20 | 40 | 14 | 22.4 | 50 | 3000 | 4300 | 0.095 |
| 81205 | 25 | 25 | 47 | 15 | 28 | 67 | 2800 | 4000 | 0.14 |
| 81206 | 30 | 30 | 52 | 16 | 30.5 | 73 | 2600 | 3800 | 0.18 |
| 81207 | 35 | 35 | 62 | 18 | 43 | 100 | 2400 | 3600 | 0.28 |
| 81208 | 40 | 40 | 68 | 19 | 48.5 | 117 | 2200 | 3400 | 0.35 |
| 81209 | 45 | 45 | 73 | 20 | 51.5 | 127 | 2000 | 3200 | 0.42 |
| 81210 | 50 | 50 | 78 | 22 | 58 | 145 | 1900 | 3000 | 0.52 |
| 81211 | 55 | 55 | 90 | 25 | 78 | 195 | 1800 | 2800 | 0.85 |
| 81212 | 60 | 60 | 95 | 26 | 82 | 212 | 1700 | 2600 | 0.98 |
| 81213 | 65 | 65 | 100 | 27 | 85 | 224 | 1600 | 2400 | 1.1 |
| 81214 | 70 | 70 | 105 | 27 | 87 | 232 | 1500 | 2200 | 1.2 |
| 81215 | 75 | 75 | 110 | 27 | 90 | 240 | 1400 | 2000 | 1.3 |
| 81216 | 80 | 80 | 115 | 28 | 92 | 250 | 1300 | 1900 | 1.45 |
| 81217 | 85 | 85 | 125 | 31 | 112 | 315 | 1200 | 1800 | 2 |
| 81218 | 90 | 90 | 135 | 35 | 138 | 375 | 1100 | 1700 | 2.8 |
| 81220 | 100 | 100 | 150 | 38 | 165 | 465 | 1000 | 1600 | 3.8 |
| 81222 | 110 | 110 | 160 | 38 | 170 | 480 | 950 | 1500 | 4.2 |
| 81224 | 120 | 120 | 170 | 39 | 175 | 495 | 900 | 1400 | 4.6 |
| 81226 | 130 | 130 | 190 | 45 | 212 | 630 | 850 | 1300 | 6.5 |
| 81228 | 140 | 140 | 200 | 46 | 218 | 650 | 800 | 1200 | 7.2 |
| 81230 | 150 | 150 | 215 | 50 | 250 | 750 | 750 | 1100 | 9 |
| 81232 | 160 | 160 | 225 | 51 | 255 | 770 | 700 | 1000 | 9.8 |
| 81234 | 170 | 170 | 240 | 55 | 285 | 870 | 670 | 950 | 12 |
| 81236 | 180 | 180 | 250 | 56 | 290 | 890 | 630 | 900 | 13 |
| 81238 | 190 | 190 | 270 | 62 | 340 | 1080 | 600 | 850 | 17.5 |
| 81240 | 200 | 200 | 280 | 62 | 345 | 1100 | 560 | 800 | 18.5 |
| 81244 | 220 | 220 | 300 | 63 | 355 | 1150 | 480 | 670 | 20.5 |
| 81248 | 240 | 240 | 340 | 78 | 480 | 1620 | 430 | 600 | 32 |
| 81252 | 260 | 260 | 360 | 80 | 495 | 1700 | 380 | 530 | 36 |
| 81256 | 280 | 280 | 380 | 80 | 500 | 1750 | 340 | 480 | 38.5 |
| 81260 | 300 | 300 | 420 | 95 | 630 | 2240 | 320 | 450 | 55 |
For specific application engineering or custom requirements, please consult with our technical team。
In our factory testing and customer field feedback, we continuously validate performance under real industrial conditions rather than laboratory assumptions.
From long-term operational data in cement plants and metallurgical equipment, we found that:
· Axial load capacity can reach up to 3 times higher than standard thrust ball bearings
· Continuous operation life can exceed 20,000 working hours in stable lubrication environments
· Vibration resistance is significantly improved in high-load rotating systems
· Heat stability is maintained under industrial temperature fluctuations
We have supplied these bearings to customers operating heavy-duty machinery where downtime is extremely costly. Many of them report improved equipment stability and longer maintenance cycles after switching to our Cylindrical Roller Thrust Bearings.
As a manufacturer with ISO 9001 and IATF 16949 certification, we control every production stage internally.
Our factory advantages include:
· Over 100 automated grinding and assembly lines
· Precision machining accuracy controlled within micrometer level
· 100 percent load testing before shipment
· Continuous durability testing up to 500 hours per batch
· Strict raw material selection using high-grade alloy steel
We also maintain full traceability from material input to final inspection, ensuring every Cylindrical Roller Thrust Bearing meets industrial reliability standards.
Our Cylindrical Roller Thrust Bearings are widely used in:
· Steel rolling mills and metallurgical equipment
· Cement vertical mills and crushing systems
· Marine propulsion and ship shaft systems
· Heavy-duty pumps and compressors
· Mining machinery and construction equipment
· Industrial gearboxes and transmission systems
In one cement plant application, after replacing standard bearings with our solution, equipment maintenance intervals were extended by nearly two years, and operational stability improved significantly under continuous load conditions.
To support engineering selection, our Cylindrical Roller Thrust Bearings typically cover:
· Shaft diameter range: 50 mm to 500 mm
· Dynamic axial load capacity: up to 1500 kN
· Static axial load capacity: up to 900 kN
· Operating speed range: 1000 to 3000 rpm under standard lubrication
· Temperature range: minus 20°C to 180°C
· Multiple precision grades available for different industrial requirements
We also support non-standard customization for special machinery requirements.
At BMT Bearings, we do not only supply standard products. We also provide engineering-based customization, including:
· Internal clearance adjustment based on load conditions
· High-temperature or special environment lubrication selection
· Surface strengthening treatment for extended service life
· Installation and maintenance technical guidance
· OEM and drawing-based manufacturing support
This allows us to serve customers with highly specific operational environments rather than offering a one-size-fits-all solution.
We follow strict quality assurance procedures to ensure every bearing meets industrial reliability expectations:
1. High-grade alloy steel raw materials with full inspection
2. Precision CNC machining with controlled tolerance
3. Raceway accuracy maintained within 0.002 mm level
4. Continuous durability testing before shipment
5. 100 percent load capacity verification for every batch
This quality system is part of our long-term principle: quality first, reliability first, service first.
With over 20 years of manufacturing and export experience, we understand what industrial buyers care about most: stability, lifespan, and predictable performance.
When you choose BMT Cylindrical Roller Thrust Bearings, you get:
· Direct manufacturer pricing
· Stable long-term supply capacity
· Engineering support from real bearing specialists
· Proven performance in heavy industry applications
· Global export experience with OEM support
We do not just sell bearings. We support long-term industrial operation stability.
What is the main advantage of full complement design?
It allows more rollers inside the bearing, increasing radial load capacity for heavy-duty applications.
Are these bearings suitable for high-speed applications?
They are more suitable for medium to low-speed conditions with high radial load.
Can drawings or specifications be customized?
Yes. OEM manufacturing is available based on technical drawings and application requirements.
Where are these bearings commonly used?
They are widely used in gearboxes, mining equipment, pumps, compressors, and industrial machinery systems.
Address
No.183,Longfeng,West of Zhangting industrial Zone,Yuyao,Ningbo,China
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