+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Double Row Super-Precision Cylindrical Roller Bearings NNU 4922 BK/SPW33

Double Row Super-Precision Cylindrical Roller Bearings NNU 4922 BK/SPW33

The NNU 4922 BK/SPW33 is a double-row cylindrical roller bearing with a 110mm tapered bore and 150mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 29700 lbf and runs smoothly at speeds up to 6000 RPM.

Its open design allows easy lubrication with grease or oil, while the double-row construction provides stability under heavy radial loads. The bearing operates well in temperatures from -30°C to 110°C.

With a 1:12 taper bore, it’s easy to mount and adjust for precise alignment. Ideal for machine tools or industrial gearboxes where high precision and load capacity are needed.

Weighing 2.05kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for demanding applications.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number NNU 4922 BK/SPW33
  • Size 110 mm x 150 mm x 40 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 110 mm
  • Bore Dia Tolerance 0 to +0.020mm
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 40 mm
  • Width Tolerance -0.20mm to 0
  • Chamfer Dimension Outer Ring(r1,2)(min.) 1.1 mm
  • Chamfer Dimension Inner Ring(r3,4)(min.) 0.6 mm
  • Permissible Axial Displacement(max.) 1.1 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 29700 lbf
  • Static Radial Load 60750 lbf
  • Max Speed 6000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.05 kg
  • Width Annular Lubrication Groove Outer Ring(B1) 5.5 mm
  • Diameter Lubrication Hole (outer Ring) (K) 3 mm
  • Shoulder Dia Outer Ring 135.8 mm
  • Raceway Diameter Inner Ring 123 mm
Double Row Super-Precision Cylindrical Roller Bearings NNU 4922 BK/SPW33 dimension drawing
Download DWG Download PDF

Features

Performance Features of NNU 4922 BK/SPW33 Bearing

NNU 4922 BK/SPW33 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 29700 lbf, ensuring reliable performance in demanding applications.

The double-row cylindrical design enhances stability and load distribution, reducing wear over time.
With a maximum speed of 6000 rpm, it balances durability and efficiency in high-speed operations.

NNU 4922 BK/SPW33 Bearing works well with both grease and oil lubrication, adapting to various maintenance needs.
Its temperature range of -30° to 110 °C makes it suitable for diverse working environments.

The tapered bore design ensures secure fitting, simplifying installation and alignment.
This feature, combined with its open construction, allows for easy inspection and maintenance.

Application

Industrial Uses of NNU 4922 BK/SPW33 Bearing
NNU 4922 BK/SPW33 Bearing is commonly used in machine tools, where its double-row design handles both radial and axial loads efficiently. The tapered bore ensures a secure fit, reducing slippage during high-speed operations.

In automotive applications, NNU 4922 BK/SPW33 Bearing supports gearboxes and drivetrains, offering reliable performance under heavy loads. Its chrome steel construction provides durability, even in demanding conditions.

For automation systems, NNU 4922 BK/SPW33 Bearing is ideal for robotic arms and precision machinery, thanks to its high-speed capability and low friction. The open seal design allows for easy lubrication, extending service life.

What Makes NNU 4922 BK/SPW33 Bearing a Preferred Choice?
NNU 4922 BK/SPW33 Bearing excels in wind turbines, where its combined load capacity and grease lubrication suit continuous operation. The metric sizing ensures compatibility with international equipment standards.

In medical imaging devices, NNU 4922 BK/SPW33 Bearing’s precision reduces vibration, ensuring clear and accurate results. The temperature range also makes it suitable for various clinical environments.

Q&A

SEND INQUIRY