GQZ NU2214 Single Row Cylindrical Roller Bearing 70×125×31mm For Medium-Heavy Load Transmission Equipment

NU2214 is NU-type single row cylindrical roller bearing. NU structure has double ribs on outer ring and rib-free inner ring, allowing limited axial sliding between inner and outer rings. This bearing mainly withstands heavy radial loads. The inner ring and roller assembly can be separated from outer ring, which simplifies installation, disassembly and routine maintenance. Widely used in industrial gearboxes, water pumps, compressors, belt conveyors and various medium-heavy load rotating assemblies.

Formal quotation will be sent within 24 hours upon your inquiry.

Model

NU2214

Dimensions

d70 mm, D125 mm, B31 mm

Net weight

approx 1.65 kg

Dynamic load rating Cr

202 kN

Static load rating Cor

212 kN

Limiting speed

Grease 4200 rpm, Oil 5000 rpm

Structure

NU type single row cylindrical roller bearing

Material

GCr15 bearing chrome steel, stamped steel cage

Clearance

Standard CN clearance; C3 clearance optional

Optional variant

machined solid cage available on request

Note

Complete dimension drawings and load data available on request.

1. High radial rigidity and excellent heavy radial load carrying capability
2. NU structural design permits relative axial displacement between bearing rings
3. Separable assembly facilitates convenient on-site inspection and replacement
4. Low rolling friction, stable medium-speed continuous operation performance
5. Robust roller layout offers good resistance to light alternating impact loads
6. Customizable options: OEM laser marking, anti-rust treatment, special high-temperature grease
   Dependable supporting component for heavy-load power transmission systems.

• Medium and heavy-duty industrial gearboxes and speed reducers
• Centrifugal water pumps and air compressor supporting shafts
• Mining machinery and agricultural transmission assemblies
• Belt conveyors and light metallurgical auxiliary equipment
• General medium-speed rotary equipment without strict axial positioning
• Equipment enduring continuous heavy radial load

• 25 years professional bearing manufacturer
• Products exported to over 50 countries worldwide
• Strict inspection on raw material hardness, surface finish, load capacity and rotational smoothness before delivery
• 24-hour professional technical support for installation and clearance selection guidance
• Sufficient bulk stock for machinery distributors
• We supply stable dimensional accuracy, reliable performance and long-term cooperative support.

• GCr15 raw material chemical composition and hardness inspection
• Complete quenching & tempering heat stabilization treatment
• Precision superfinishing grinding for raceways and cylindrical rollers
• Cage forming and deburring processing
• Full dimension tolerance, clearance testing and rotational performance testing

If you need NU2214 cylindrical roller bearings:
Send inquiry to obtain below supports:

• Quick formal quotation within 24 hours
• Professional assembly and application matching suggestions
• Optional solid cage alternative solutions
• Competitive factory direct price
  Contact our sales team for full technical datasheets and formal offer.

Q1: What does NU stand for?

NU = outer ring with double ribs, inner ring without ribs.

Q2: Main dimensions of NU2214?

70*125*31 mm NU type single row cylindrical roller bearing.

Q3: Load characteristic?

Mainly bears radial load and allows axial sliding between inner and outer rings.