+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Double Row Super-Precision Cylindrical Roller Bearings NN 3012 KTN/SPVR521

Double Row Super-Precision Cylindrical Roller Bearings NN 3012 KTN/SPVR521

The NN 3012 KTN/SPVR521 is a double-row cylindrical roller bearing with a 60mm bore and 95mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 16582 lbf and spins smoothly at speeds up to 11000 RPM.

Its open design and PA66 cage ensure reliable performance, while the tapered bore allows for precise mounting. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for high-precision applications like machine tools or industrial gearboxes.

Weighing 0.65kg, it offers a robust yet lightweight solution. Compliant with RoHS and REACH standards for safe use.

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

Product Parameters

  • Part Number NN 3012 KTN/SPVR521
  • Size 60 mm x 95 mm x 26 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 60 mm
  • Bore Dia Tolerance 0 to +0.015mm
  • Outer Dia 95 mm
  • Outer Dia Tolerance -0.010mm to 0
  • Width 26 mm
  • Width Tolerance -0.15mm 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.) 1.5 mm
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Dynamic Radial Load 16582 lbf
  • Static Radial Load 23850 lbf
  • Max Speed 11000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.65 kg
  • Cage Material PA66 cage, roller centred
Double Row Super-Precision Cylindrical Roller Bearings NN 3012 KTN/SPVR521 dimension drawing
Download DWG Download PDF

Features

Performance Features of NN 3012 KTN/SPVR521 Bearing

NN 3012 KTN/SPVR521 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 16582 lbf, ensuring reliable performance in high-demand applications.

The double-row design of NN 3012 KTN/SPVR521 Bearing enhances stability and load distribution.
With a maximum speed of 11000 rpm, it delivers both durability and efficiency.

NN 3012 KTN/SPVR521 Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, reducing maintenance needs.

The PA66 cage in NN 3012 KTN/SPVR521 Bearing keeps rollers centred, minimising wear.
This design ensures extended service life even under heavy radial loads.

Application

Key Fields for NN 3012 KTN/SPVR521 Bearing
NN 3012 KTN/SPVR521 Bearing is widely used in machine tools, where its double-row design handles both radial and axial loads efficiently. The high-speed capability makes it suitable for spindle applications, ensuring smooth operation.

In robotics, NN 3012 KTN/SPVR521 Bearing provides stability in articulated arms, thanks to its precise taper bore. The chrome steel construction ensures durability even in continuous operation.

For printing machinery, NN 3012 KTN/SPVR521 Bearing’s open design allows easy lubrication, reducing maintenance downtime. Its combined load capacity makes it ideal for heavy-duty rollers.

In packaging equipment, NN 3012 KTN/SPVR521 Bearing’s high dynamic load rating supports fast-moving conveyors. The PA66 cage material helps reduce friction, extending service life.

Wind turbine gearboxes benefit from NN 3012 KTN/SPVR521 Bearing’s ability to handle misalignment. The grease or oil lubrication options adapt to various environmental conditions.

Q&A

SEND INQUIRY