Single Row Full Complement Cylindrical Roller Bearings are designed without a cage structure, allowing the maximum number of rollers inside the bearing. This increases contact area and significantly improves radial load capacity compared to standard caged designs.
They are suitable for applications where:
Typical equipment includes gearboxes, mining machinery, pumps, compressors, steel processing systems, and industrial transmission units.

| Single Row Full Complement Cylindrical Roller Bearings | ||||||||||
| Bearing Model | Dimensions (mm) | Basic Load Ratings (kN) | Limiting Speed (rpm) | Weight | Design Features | |||||
| d | D | B | r | Cr | Cor | Grease | Oil | (kg) | ||
| NCF 18 Series (Inner Ring Double Flange, Outer Ring Single Flange) | ||||||||||
| NCF 1822 | 110 | 140 | 30 | 1.5 | 152 | 183 | 3800 | 4500 | 1.45 | Unidirectional axial load capacity |
| NCF 1830 | 150 | 190 | 37 | 2 | 208 | 260 | 3000 | 3600 | 2.8 | High rigidity |
| NCF 1840 | 200 | 250 | 45 | 2.1 | 280 | 360 | 2400 | 2800 | 4.9 | Heavy-duty design |
| NCF 1856 | 280 | 350 | 56 | 3 | 425 | 570 | 1800 | 2200 | 10.2 | For extreme loads |
| NCF 29 Series (Inner Ring Double Flange, Outer Ring Single Flange) | ||||||||||
| NCF 2920 | 100 | 140 | 30 | 1.5 | 142 | 170 | 4000 | 4800 | 1.4 | Compact heavy-duty |
| NCF 2932 | 160 | 220 | 40 | 2.1 | 250 | 320 | 2600 | 3200 | 4.6 | Medium-speed applications |
| NCF 2944 | 220 | 300 | 48 | 3 | 355 | 465 | 2000 | 2400 | 8.7 | High moment capacity |
| NCF 2960 | 300 | 420 | 65 | 4 | 570 | 780 | 1500 | 1800 | 20.5 | Extra-heavy duty |
| NJG 23 Series (Inner Ring No Flange, Outer Ring Double Flange) | ||||||||||
| NJG 2304 | 20 | 52 | 21 | 1.1 | 38.5 | 38 | 7500 | 9000 | 0.22 | Axial displacement allowed |
| NJG 2305 | 25 | 62 | 24 | 1.1 | 52 | 53 | 6700 | 8000 | 0.35 | High-speed capability |
| NJG 2306 | 30 | 72 | 27 | 1.1 | 65 | 68 | 6000 | 7000 | 0.5 | General purpose |
| NJG 2307 | 35 | 80 | 31 | 1.5 | 82 | 88 | 5300 | 6300 | 0.7 | For vibrating machinery |
| NJG 2308 | 40 | 90 | 33 | 1.5 | 95 | 105 | 4800 | 5600 | 0.95 | High radial capacity |
| NJG 2309 | 45 | 100 | 36 | 1.5 | 108 | 122 | 4300 | 5000 | 1.25 | Industrial gearboxes |
| NJG 2310 | 50 | 110 | 40 | 2 | 130 | 150 | 4000 | 4800 | 1.65 | Crane hooks |
| NJG 2311 | 55 | 120 | 43 | 2 | 145 | 170 | 3600 | 4300 | 2.1 | Mining equipment |
| NJG 2312 | 60 | 130 | 46 | 2.1 | 160 | 190 | 3400 | 4000 | 2.6 | Rolling mills |
| NNF 50 Series (Double Row, Split Inner Ring) | ||||||||||
| NNF 5004 | 20 | 42 | 30 | 0.6 | 47 | 51 | 5300 | 6300 | 0.35 | Double row, high rigidity |
| NNF 5005 | 25 | 47 | 30 | 0.6 | 52 | 60 | 4800 | 5600 | 0.4 | Moment load capacity |
| NNF 5006 | 30 | 55 | 34 | 0.6 | 60 | 67 | 4300 | 5000 | 0.55 | Compact double row |
| NNF 5007 | 35 | 62 | 36 | 0.6 | 67 | 88 | 3800 | 4500 | 0.75 | Heavy-duty applications |
| NNF 5008 | 40 | 68 | 38 | 1 | 75 | 111 | 3600 | 4300 | 0.9 | High load density |
| NNF 5009 | 45 | 75 | 40 | 1 | 82 | 139 | 3200 | 3800 | 1.15 | For limited space |
| NNF 5010 | 50 | 80 | 40 | 1 | 87 | 151 | 3000 | 3600 | 1.25 | Precision applications |
| Other Common Series (NU 10, NU 22, NU 23 Full Complement Variants) | ||||||||||
| NU 1008 | 40 | 68 | 15 | 1 | 48.5 | 53 | 6000 | 7000 | 0.28 | Standard full complement |
| NU 1012 | 60 | 95 | 18 | 1.1 | 68 | 78 | 4800 | 5600 | 0.55 | High speed design |
| NU 2208 | 40 | 80 | 23 | 1.1 | 85 | 92 | 5600 | 6700 | 0.6 | Enhanced capacity |
| NU 2212 | 60 | 110 | 28 | 2 | 122 | 142 | 4300 | 5000 | 1.25 | Robust construction |
| NU 2308 | 40 | 90 | 33 | 1.5 | 108 | 122 | 5000 | 6000 | 1 | Heavy-duty industrial |
| NU 2312 | 60 | 130 | 46 | 2.1 | 178 | 212 | 3800 | 4500 | 2.5 | Extreme load applications |
The full complement roller design maximizes internal roller count, allowing the bearing to distribute load more evenly. This structure is especially effective in applications with constant heavy stress or impact loading.
Compared with standard cylindrical roller bearings, this series achieves higher load capacity in a limited installation space. It helps equipment designers reduce system size without sacrificing durability.
Manufactured using high-grade bearing steel with controlled heat treatment, the bearings achieve strong surface hardness and improved resistance to fatigue, wear, and deformation under load.
Precision grinding and strict dimensional control ensure:
BMT Bearings applies standardized production and inspection processes across all stages:
Production management follows ISO-aligned quality systems, ensuring consistency across batches for industrial procurement requirements.
These bearings are widely used in industries requiring durable and stable mechanical support:
BMT Bearings supports OEM and customized manufacturing based on technical requirements:
This flexibility allows integration into different industrial designs and replacement markets.
All products are prepared for international shipment with protective industrial packaging designed to prevent:
Each batch is inspected before shipment, including:
This ensures traceable and stable quality for global customers.
BMT Bearings has more than 20 years of manufacturing experience in precision bearing production. The company focuses on stable supply capability, consistent product quality, and engineering support for industrial applications.
Key strengths include:
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.
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No.183,Longfeng,West of Zhangting industrial Zone,Yuyao,Ningbo,China
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