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Double Row Full Complement Cylindrical Roller Bearings
Explore TFL’s range of Double Row Full Complement Cylindrical Roller Bearings. These robust roller bearings are specifically designed for applications where extreme radial loads and shock loads are present. Unlike caged designs, our full complement bearings incorporate a maximum number of cylindrical rollers, directly contacting both the inner and outer rings. This innovative design significantly increases the bearing’s load-carrying capacity and rigidity, making them indispensable for heavy industrial machinery, rolling mills, and large gearboxes. Their design ensures optimal performance and extended bearing life even under the most challenging conditions.
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Total 191 Results
Part Number
Bore Dia
Outer Dia
Width
Seal Type
Shoulder Diameter Inner Ring
Raceway Diameter Outer Ring
Width Annular Lubrication Groove Outer Ring
Diameter Lubrication Hole (Outer Ring)
Weight
Outer Ring Width
Snap Ring Groove Diameter At Outer Ring
NNCL 4838 CV
190 mm
240 mm
50 mm
Open
209 mm
225 mm
7 mm
4 mm
5.33 kg
NNCL 4938 CV
190 mm
260 mm
69 mm
Open
216 mm
240.7 mm
7 mm
4 mm
NNF 5038 B-2LS
190 mm
290 mm
136 mm
Sealed
319440 B-2LS
200 mm
270 mm
80 mm
Sealed
227.5 mm
7 mm
4 mm
13.1 kg
79 mm
264 mm
NNC 4840 CV
200 mm
250 mm
50 mm
Open
220 mm
229.5 mm
7 mm
4 mm
5.66 kg
NNC 4940 CV
200 mm
280 mm
80 mm
Open
233 mm
251.5 mm
8 mm
4 mm
15.9 kg
NNCF 4840 CV
200 mm
250 mm
50 mm
Open
220 mm
229.5 mm
7 mm
4 mm
NNCF 4940 CV
200 mm
280 mm
80 mm
Open
233 mm
251.5 mm
8 mm
4 mm
15.7 kg
NNCF 5040 CV
200 mm
310 mm
150 mm
Open
237 mm
274.5 mm
7.4 mm
4 mm
40.1 kg
NNCL 4840 CV
200 mm
250 mm
50 mm
Open
220 mm
235.5 mm
7 mm
4 mm
NNCL 4940 CV
200 mm
280 mm
80 mm
Open
233 mm
259.34 mm
8 mm
4 mm
15.4 kg
NNF 5040 B-2LS
200 mm
310 mm
150 mm
Sealed
319444 B-2LS
220 mm
300 mm
95 mm
Sealed
250 mm
7.86 mm
6 mm
94 mm
295 mm
NNC 4844 CV
220 mm
270 mm
50 mm
Open
241 mm
250.5 mm
7 mm
4 mm
5.9 kg
Design Advantages and Key Features
The absence of a cage in Double Row Full Complement Cylindrical Roller Bearings is a primary design advantage. This allows for a greater number of cylindrical rollers within the same envelope dimensions, directly increasing the dynamic and static load ratings. While the full complement design typically means a slightly lower speed limit compared to caged bearings, their strength in high-load, low-to-moderate speed environments is unmatched. These bearings are designed to handle significant axial displacement of the shaft relative to the housing, depending on the specific design (e.g., NU, NJ types for single row, adapted for double row configurations).
Our double row full complement cylindrical roller bearings offer superior shock resistance due to the robust contact surfaces and the sheer volume of rolling elements. This makes them ideal for environments where sudden impacts or vibrations are common. TFL offers comprehensive support for selecting the right cylindrical roller bearing specifications for your unique application.
Maximizing Radial Load Capacity and Rigidity
Double Row Full Complement Cylindrical Roller Bearings excel in applications demanding the highest possible radial load capacity. The full complement design means these bearings utilize every available space for cylindrical rollers. This maximizes the contact area between the rolling elements and the raceways. This engineering choice directly translates into superior load-carrying capabilities compared to single row cylindrical roller bearings or designs with a cage.
Furthermore, the robust construction of these cylindrical bearings contributes significantly to their exceptional rigidity. This rigidity is crucial in precision applications where minimizing deflection under heavy loads is paramount. Industries such as steel production, mining equipment, and heavy-duty gearboxes rely on the unwavering performance of these anti-friction bearings. TFL ensures that our double row cylindrical roller bearings meet stringent quality standards, providing reliable support for your machinery components.
Applications in Demanding Industrial Environments
Double Row Full Complement Cylindrical Roller Bearings are workhorses in some of the most challenging industrial settings. Their high load capacity and rigidity make them indispensable for applications such as rolling mills, where they withstand immense forces during metal forming processes. They are also widely used in heavy-duty gearboxes found in mining equipment, construction machinery, and wind turbines, ensuring reliable power transmission even under severe operating conditions.
Beyond these heavy industries, these precision bearings also find their place in large electric motors and other machinery components requiring robust support. The ability to manage both radial loads and, in some designs, limited axial loads, broadens their applicability. When considering where to buy bearings for such critical uses, TFL provides high-quality solutions, ensuring optimal bearing clearance and long-term performance. Our expertise helps you select the correct bearing dimensions for seamless bearing installation and efficient operation.
FREQUENTLY ASKED QUESTIONS
What is the main difference between single and double row full complement cylindrical roller bearings?
Double row bearings support higher radial loads and offer improved load distribution due to the additional row of rollers.
Where are double row full complement cylindrical roller bearings most commonly applied?
These bearings are primarily used in heavy-duty applications where the load is predominantly radial load and extremely high. Common examples include rolling mill bearings used in the steel industry, large gearbox bearings in industrial machinery components, heavy-duty pumps, and specialized electric motor bearings for high-power systems. Their high stiffness makes them indispensable in equipment requiring precision under extreme stress.
What is the best lubrication method for these bearings?
Oil bath or circulating oil systems are ideal for high-load, high-speed applications. Grease lubrication is also suitable for low to medium speeds.
Do these bearings come in different clearance options?
Yes. TFL offers standard and custom clearance options to suit various operating conditions and temperature ranges.