We manufacture Thin Wall Deep Groove Ball Bearings for equipment where installation space is limited but rotational accuracy still matters.
In our daily production, we focus on practical performance factors such as dimensional consistency, running smoothness, and batch-to-batch stability. These bearings are commonly selected by customers who need compact mechanical structures without sacrificing operational reliability.
Unlike standard bearing structures, thin wall designs reduce cross-section size while keeping functional load distribution stable under normal working conditions.
Thin Wall Deep Groove Ball Bearings are widely used in global industrial and precision equipment fields. The following presents common internationally models
| Thin Wall Deep Groove Ball Bearings | |||||||
| Model | ID (mm) | OD (mm) | W (mm) | Cr (kN) | Cor (kN) | Max Speed (Oil) (rpm) | Max Speed (Grease) (rpm) |
| 61800 | 10 | 19 | 5 | 1.51 | 0.82 | 28000 | 20000 |
| 61801 | 12 | 21 | 5 | 1.84 | 1.08 | 24000 | 18000 |
| 61802 | 15 | 24 | 5 | 2.15 | 1.35 | 20000 | 15000 |
| 61803 | 17 | 26 | 5 | 2.54 | 1.68 | 18000 | 13000 |
| 61804 | 20 | 32 | 7 | 3.65 | 2.5 | 15000 | 11000 |
| 61805 | 25 | 37 | 7 | 4.32 | 3.05 | 12000 | 9000 |
| 61806 | 30 | 42 | 7 | 5.08 | 3.75 | 10000 | 8000 |
| 61807 | 35 | 47 | 7 | 5.75 | 4.45 | 9000 | 7000 |
| 61808 | 40 | 52 | 7 | 6.4 | 5.15 | 8000 | 6300 |
| 61809 | 45 | 58 | 7 | 7.45 | 6.2 | 7000 | 5600 |
| 61810 | 50 | 65 | 7 | 8.75 | 7.5 | 6300 | 5000 |
| 61811 | 55 | 72 | 9 | 11.8 | 10.2 | 5600 | 4500 |
| 61812 | 60 | 78 | 9 | 13.2 | 11.8 | 5000 | 4000 |
| 61813 | 65 | 85 | 10 | 15.8 | 14.5 | 4500 | 3600 |
| 61814 | 70 | 90 | 10 | 17 | 16 | 4000 | 3200 |
| 61815 | 75 | 95 | 10 | 18.2 | 17.5 | 3800 | 3000 |
| 61816 | 80 | 100 | 10 | 19.5 | 19 | 3600 | 2800 |
| 61817 | 85 | 110 | 13 | 25.5 | 25 | 3200 | 2400 |
| 61818 | 90 | 115 | 13 | 27 | 27 | 3000 | 2200 |
| 61819 | 95 | 120 | 13 | 28.5 | 29 | 2800 | 2000 |
| 61820 | 100 | 125 | 13 | 30 | 31 | 2600 | 1900 |
| 6900 | 10 | 22 | 6 | 2.08 | 1.18 | 24000 | 18000 |
| 6901 | 12 | 24 | 6 | 2.4 | 1.45 | 20000 | 15000 |
| 6902 | 15 | 28 | 7 | 3.05 | 1.95 | 18000 | 13000 |
| 6903 | 17 | 30 | 7 | 3.4 | 2.3 | 16000 | 12000 |
| 6904 | 20 | 37 | 9 | 5.15 | 3.55 | 13000 | 10000 |
| 6905 | 25 | 42 | 9 | 6 | 4.3 | 10000 | 8000 |
| 6906 | 30 | 47 | 9 | 7 | 5.3 | 9000 | 7000 |
| 6907 | 35 | 55 | 10 | 8.95 | 7.15 | 8000 | 6300 |
| 6908 | 40 | 62 | 12 | 11.8 | 9.5 | 7000 | 5600 |
| 6909 | 45 | 68 | 12 | 13.8 | 11.5 | 6300 | 5000 |
| 6910 | 50 | 72 | 12 | 15.2 | 13 | 6000 | 4800 |
| 6911 | 55 | 80 | 13 | 18.8 | 16.5 | 5300 | 4300 |
| 6912 | 60 | 85 | 13 | 20.5 | 18.5 | 5000 | 4000 |
| 6913 | 65 | 90 | 13 | 22.2 | 20.5 | 4500 | 3600 |
| 6914 | 70 | 100 | 16 | 30.5 | 28.5 | 4000 | 3200 |
| 6915 | 75 | 105 | 16 | 32.8 | 31 | 3800 | 3000 |
| 6916 | 80 | 110 | 16 | 35 | 33.5 | 3600 | 2800 |
| 6917 | 85 | 120 | 18 | 42.8 | 41.5 | 3200 | 2400 |
| 6918 | 90 | 125 | 18 | 45.8 | 45 | 3000 | 2200 |
| 6919 | 95 | 130 | 18 | 48.8 | 48.5 | 2800 | 2000 |
| 6920 | 100 | 140 | 20 | 56.8 | 57 | 2600 | 1900 |
| CSCA010 | 25.4 | 34.925 | 4.763 | 1.43 | 2.28 | 14000 | 10000 |
| CSCA015 | 38.1 | 47.625 | 4.763 | 2.45 | 3.95 | 11000 | 8000 |
| CSCA017 | 44.45 | 53.975 | 4.763 | 3.05 | 5 | 9500 | 7000 |
| CSCA020 | 50.8 | 63.5 | 6.35 | 4 | 6.8 | 8500 | 6300 |
| CSCA025 | 63.5 | 76.2 | 6.35 | 5.4 | 9.4 | 7000 | 5300 |
| CSCA030 | 76.2 | 88.9 | 6.35 | 6.8 | 12 | 6000 | 4500 |
| CSCA035 | 88.9 | 101.6 | 6.35 | 8.2 | 15 | 5300 | 4000 |
| CSCA040 | 101.6 | 114.3 | 6.35 | 9.6 | 18 | 4800 | 3600 |
| CSCA042 | 107.95 | 120.65 | 6.35 | 10.5 | 19.8 | 4500 | 3400 |
| CSCA045 | 114.3 | 127 | 6.35 | 11.5 | 22 | 4300 | 3200 |
| CSCA047 | 120.65 | 133.35 | 6.35 | 12.5 | 24 | 4000 | 3000 |
| CSCA050 | 127 | 139.7 | 6.35 | 13.5 | 26 | 3800 | 2800 |
| CSCA055 | 139.7 | 152.4 | 6.35 | 15.5 | 30 | 3400 | 2600 |
| CSCA060 | 152.4 | 165.1 | 6.35 | 17.5 | 34 | 3200 | 2400 |
| CSCA065 | 165.1 | 177.8 | 6.35 | 19.5 | 38 | 3000 | 2200 |
| CSCA070 | 177.8 | 190.5 | 6.35 | 21.5 | 42 | 2800 | 2000 |
| CSCA075 | 190.5 | 203.2 | 6.35 | 23.5 | 46 | 2600 | 1900 |
| CSCA080 | 203.2 | 215.9 | 6.35 | 25.5 | 50 | 2400 | 1800 |
| CSCA090 | 228.6 | 241.3 | 6.35 | 29.5 | 58 | 2200 | 1600 |
| CSCA100 | 254 | 266.7 | 6.35 | 33.5 | 66 | 2000 | 1500 |
| CSCA110 | 279.4 | 292.1 | 6.35 | 37.5 | 74 | 1800 | 1400 |
| CSCA120 | 304.8 | 317.5 | 6.35 | 41.5 | 82 | 1600 | 1200 |
| CSCB020 | 50.8 | 66.675 | 7.938 | 5.1 | 8.8 | 7500 | 5600 |
| CSCB025 | 63.5 | 79.375 | 7.938 | 6.9 | 12 | 6300 | 4800 |
| CSCB030 | 76.2 | 92.075 | 7.938 | 8.8 | 16 | 5600 | 4300 |
| CSCB035 | 88.9 | 104.775 | 7.938 | 10.8 | 20 | 4800 | 3600 |
| CSCB040 | 101.6 | 117.475 | 7.938 | 12.8 | 24 | 4300 | 3200 |
| CSCB042 | 107.95 | 123.825 | 7.938 | 13.8 | 26 | 4000 | 3000 |
| CSCB045 | 114.3 | 130.175 | 7.938 | 14.8 | 28 | 3800 | 2800 |
| CSCB047 | 120.65 | 136.525 | 7.938 | 15.8 | 30 | 3600 | 2600 |
| CSCB050 | 127 | 142.875 | 7.938 | 16.8 | 32 | 3400 | 2400 |
| CSCB055 | 139.7 | 155.575 | 7.938 | 19 | 37 | 3000 | 2200 |
| CSCB060 | 152.4 | 168.275 | 7.938 | 21.2 | 42 | 2800 | 2000 |
| CSCB065 | 165.1 | 180.975 | 7.938 | 23.4 | 47 | 2600 | 1900 |
| CSCB070 | 177.8 | 193.675 | 7.938 | 25.6 | 52 | 2400 | 1800 |
| CSCB075 | 190.5 | 206.375 | 7.938 | 27.8 | 57 | 2200 | 1600 |
| CSCB080 | 203.2 | 219.075 | 7.938 | 30 | 62 | 2000 | 1500 |

At BMT Bearings, we do not treat production as a single-step process. Each order goes through controlled stages including grinding, assembly, and inspection.
We operate automated production lines combined with manual verification steps for key quality points. This helps reduce variation between batches, especially for Thin Wall Deep Groove Ball Bearings used in continuous operating machines.
Our factory has been serving overseas industrial buyers for many years, and we understand that consistent supply is often more important than isolated high-performance samples.
We maintain strict control over inner and outer ring geometry to ensure proper fitting in compact housings.
Each bearing is checked for rotation resistance and noise level to ensure stable operation in motors and small machinery.
Thin wall design helps reduce equipment size and weight, especially useful in modern compact mechanical systems.
We focus on repeatability so that replacement parts match previous installations without adjustment issues.
Thin Wall Deep Groove Ball Bearings are commonly used in:
· Small and medium electric motors
· Automation and robotic arms
· Water pumps and circulation systems
· Textile and packaging machinery
· Precision instruments
· Household appliances
These applications usually require stable rotation under continuous operation rather than extreme load conditions.
Instead of relying on theoretical descriptions, we focus on measurable inspection steps:
· Size inspection for every production batch
· Noise and vibration sampling tests
· Raceway surface finish checking
· Assembly clearance verification
· Random batch re-check before shipment
This approach helps reduce field issues reported by end users during long-term use.
In cooperation with long-term industrial buyers, we often see demand from motor assembly factories that require stable replacement cycles. In these cases, consistency between shipments is critical to avoid production line adjustments.
For example, a pump equipment manufacturer we supply regularly prefers fixed specifications of Thin Wall Deep Groove Ball Bearings to maintain uniform assembly clearance across different production batches.

They are used in compact mechanical systems where space is limited but stable rotation is required, such as motors and automation equipment.
Yes, we focus on repeat production consistency so buyers can reorder without changing design parameters.
We can produce based on drawings or sample requirements for size and structure adjustments.
We use step-by-step inspection during production instead of only final testing, which helps reduce batch differences.
They are more suitable for compact and medium-load applications where stability and space saving are the priority.
Our focus at BMT Bearings is straightforward: provide Thin Wall Deep Groove Ball Bearings that can be repeatedly used in real production environments without frequent adjustment or redesign. We work with industrial buyers who value stable supply and predictable performance over marketing claims.
Address
No.183,Longfeng,West of Zhangting industrial Zone,Yuyao,Ningbo,China
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