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Double Row Super-Precision Cylindrical Roller Bearings NN 3019 KTN9/SPW33

Double Row Super-Precision Cylindrical Roller Bearings NN 3019 KTN9/SPW33

The NN 3019 KTN9/SPW33 is a double-row cylindrical roller bearing with a 95mm bore and 145mm outer diameter, crafted from high-quality chrome steel. It handles combined loads up to 31950 lbf and reaches speeds of 7000 RPM.

Its open design and PA66 cage ensure smooth operation, while the taper bore allows for easy mounting. The bearing works in temperatures from -30°C to 110°C.

With a weight of 2.03kg, it’s sturdy yet manageable. Compliant with RoHS and REACH standards, it’s a reliable choice for precision machinery like spindles or gearboxes.

Interchangeable with SKF bearings, it’s ideal for replacements in industrial settings where durability and precision are key.

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Product Parameters

  • Part Number NN 3019 KTN9/SPW33
  • Size 95 mm x 145 mm x 37 mm
  • Brand TFL
  • Interchangeable brand SKF
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • Bore Type Taper 1:12
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Bore Dia 95 mm
  • Bore Dia Tolerance 0 to +0.020mm
  • Outer Dia 145 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 37 mm
  • Width Tolerance -0.20mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 1.5 mm
  • Chamfer Dimension Inner Ring(r3,4)(min.) 1 mm
  • Permissible Axial Displacement(max.) 2 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 31950 lbf
  • Static Radial Load 52200 lbf
  • Max Speed 7000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.03 kg
  • Cage Material PA66 cage, roller centred
  • Width Annular Lubrication Groove Outer Ring(B1) 5.5 mm
  • Diameter Lubrication Hole (outer Ring) (K) 3 mm
Double Row Super-Precision Cylindrical Roller Bearings NN 3019 KTN9/SPW33 dimension drawing
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Features

Performance Features of NN 3019 KTN9/SPW33 Bearing

NN 3019 KTN9/SPW33 Bearing is designed with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 31950 lbf, ensuring reliable operation in demanding conditions.

The double-row construction of NN 3019 KTN9/SPW33 Bearing provides stability and precision for high-speed applications.
With a maximum speed of 7000 rpm, it balances performance and durability.

NN 3019 KTN9/SPW33 Bearing’s PA66 cage keeps the rollers centred, reducing wear and extending service life.
The open design allows for easy lubrication with grease or oil, enhancing maintenance efficiency.

NN 3019 KTN9/SPW33 Bearing operates effectively in temperatures ranging from -30° to 110°C.
Its tapered bore design ensures secure fitting, reducing the risk of slippage during operation.

Application

Industrial Uses of NN 3019 KTN9/SPW33 Bearing
NN 3019 KTN9/SPW33 Bearing is commonly used in machine tools, where its double-row design handles both radial and axial loads with precision. The tapered bore ensures a secure fit, reducing slippage during high-speed operations.

In automotive applications, NN 3019 KTN9/SPW33 Bearing supports gearboxes and drivetrains, offering durability under combined loads. Its chrome steel construction withstands the demands of heavy-duty vehicles.

For automation systems, NN 3019 KTN9/SPW33 Bearing provides smooth motion in robotic arms and CNC machines. The open seal design allows for easy lubrication, extending service life in continuous-use environments.

Medical imaging equipment benefits from NN 3019 KTN9/SPW33 Bearing’s high-speed capabilities and low vibration. The PA66 cage ensures quiet operation, crucial for sensitive diagnostic devices.

In wind turbines, NN 3019 KTN9/SPW33 Bearing handles the variable loads and harsh conditions of rotor shafts. Its grease or oil lubrication options adapt to different environmental requirements.

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