GQZ NJ324E.M1 Single Row Cylindrical Roller Bearing 120×260×55mm With Solid Brass Cage For Heavy Load Reducers
NJ324E.M1 is single row cylindrical roller bearing of NJ design. E stands for enhanced optimized internal geometry to achieve higher dynamic load rating; M1 refers to solid machined brass cage. It can withstand heavy radial load and limited one-way axial load. The inner ring assembly including rollers and cage is separable from outer ring, bringing great convenience for installation, disassembly and maintenance. Widely used in heavy-duty reducers, mining equipment, metallurgical machinery and large industrial transmission systems.
Formal quotation will be sent within 24 hours upon your inquiry.
Model: NJ324E.M1
Dimensions: d120 mm, D260 mm, B55 mm
Net weight: approx 14.3 kg
Dynamic load rating Cr: 712 kN
Static load rating Cor: 835 kN
Limiting speed: Grease 2100 rpm, Oil 2700 rpm
Structure: Single row cylindrical roller, NJ type, E reinforced internal design
Cage: M1 solid machined brass cage
Material: GCr15 bearing chrome steel
Clearance: Standard CN clearance; C3, C4 clearance optional
Precision class: P0, P6, P5 available
Complete dimension drawings and load data available on request.
- E-type optimized roller layout, larger load rating and excellent fatigue resistance under continuous heavy load
- NJ structural design: carries heavy radial load and realizes unidirectional axial positioning
- M1 machined brass cage runs stably under high temperature, vibration and medium-high speed working conditions
- Separable inner roller assembly, easy for independent mounting, inspection and component replacement
- Optimized surface finish reduces friction heat and prolong service life under long-time operation
- Customizable options: OEM laser marking, special clearance, anti-rust strengthening treatment
Greatly reduce failure risk for heavy industrial transmission assemblies.
- Heavy-duty industrial gearboxes and speed reducers
- Mining crushers, bulk material conveying machinery
- Metallurgical and steel mill equipment supporting shafts
- Large industrial fans, pumps and compressors
- Construction machinery and heavy engineering equipment transmission parts
- Mechanical systems requiring high radial load and one-way axial restraint
- 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 clearance selection and installation guidance
- Sufficient bulk stock for machinery and industrial distributors
- We supply stable dimensional accuracy, reliable heavy-load performance and long-term cooperative support.
- GCr15 raw material chemical composition and hardness inspection
- Complete quenching & tempering heat stabilization treatment
- Precision superfinishing grinding for bearing rings and rollers
- Brass cage precision machining and deburring processing
- Full dimension tolerance, static & dynamic load and rotational performance testing
If you need NJ324E.M1 cylindrical roller bearings:
Send inquiry to obtain below supports:
- Quick formal quotation within 24 hours
- Professional installation and clearance selection suggestion
- Custom marking and special technical specifiions available
- Competitive factory direct price
Contact our sales team for full technical datasheets and formal offer.



Q1: What do E and M1 stand for?
E = reinforced optimized internal geometry for increased load capacity; M1 = solid machined brass cage.
Q2: Main dimensions of NJ324E.M1?
120×260×55 mm, single row cylindrical roller bearing.
Q3: Load characteristics?
Mainly bears heavy radial load, can bear limited one-way axial load.
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