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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 4948 CV
240 mm
320 mm
80 mm
Open
271 mm
299.46 mm
8 mm
4 mm
NNF 5048 B-2LS
240 mm
360 mm
160 mm
Sealed
319452 B-2LS
260 mm
340 mm
95 mm
Sealed
291.2 mm
8 mm
6 mm
94 mm
334 mm
NNC 4852 CV
260 mm
320 mm
60 mm
Open
283.5 mm
297 mm
8 mm
4 mm
11.5 kg
NNCF 4852 CV
260 mm
320 mm
60 mm
Open
283.5 mm
297 mm
8 mm
4 mm
NNCF 4952 CV
260 mm
360 mm
100 mm
Open
295 mm
321 mm
9.4 mm
5 mm
32 kg
NNCF 5052 CV
260 mm
400 mm
190 mm
Open
302.8 mm
361.7 mm
9.4 mm
5 mm
83.9 kg
NNCL 4852 CV
260 mm
320 mm
60 mm
Open
283.5 mm
304.2 mm
8 mm
4 mm
NNCL 4952 CV
260 mm
360 mm
100 mm
Open
295 mm
331.33 mm
9.4 mm
5 mm
31.3 kg
NNF 5052 B-2LS
260 mm
400 mm
190 mm
Sealed
NNC 4856 CV
280 mm
350 mm
69 mm
Open
308 mm
326 mm
8 mm
4 mm
NNCF 4856 CV
280 mm
350 mm
69 mm
Open
308 mm
326 mm
8 mm
4 mm
NNCF 4956 CV
280 mm
380 mm
100 mm
Open
317 mm
343 mm
9.4 mm
5 mm
34 kg
NNCF 5056 CV
280 mm
420 mm
190 mm
Open
318 mm
372 mm
9.4 mm
5 mm
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.