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QJ324-N2-MPA

Bore
120 mm
Outer
260 mm
Width
55 mm
Wight
15.6 kg
Four point contact bearings, holding grooves
A single bearing can replace a back-to-back assembly, saving axial space, and can withstand bidirectional axial loads and high speeds. It is suitable for applications where axial loads are the primary load, such as compressors, pumps, and gearboxes.

Main technical Specifications

New Designations :
QJ324-N2-MPA
Old Code :
QJ324N2MPA
Main demensions :
120 × 260 × 55
Bore Dia × Outside Dia × Width Dia (mm)
M :
15.6 kg
Weight
HS Code :
8482103000
Bearing customs code
ID :
120 mm
Inside diameter(I.D.)
OD :
260 mm
Outside diameter(O.D.)
T(B) :
55 mm
Thickness(W.D.)
Cr :
382.861 kN
Radial dynamic load rating
C0r :
484.793 kN
Radial static load rating
Grease rpm :
2446 r/min
Reference speed
Oil rpm :
4510 r/min
Limiting speed
Category :
Four-point contact ball bearings

Detailed parameters and installation dimensions:

Part Number QJ324-N2-MPA
RIC CN
Series QJ3 series (QJ3..-N2-MPA)
Radial Dynamic Capacity - Cr 382861 N | 86067 lbf
Radial static Capacity - C0r 484793 N | 108981 lbf
Bearing Mass - m 15.6 kg | 34.3918 lb
Bearing Type Four point contact bearings, holding grooves
Reference speed - nϑr 2446 min–1
Limiting speed - nG 4510 min–1
Row NO. One
Design N2: Two retaining slots in outer ring
Radial Fatigue Capacity - Cur 19080 N | 4289 lbf
Cage MPA = Solid brass cage, outer ring guided
Temperature - T(min) -30 °C
Temperature - T(max) up 200 °C
Contact angle - α 35 °
Angle retaining slot 45 °
Dimension Inside - d φ 120 mm | 4.7244 inch
Dimension Outside - D Φ 260 mm | 10.2362 inch
Dimension Width - B 55 mm | 2.1654 inch
Type QJ
Heat stabilization S1 = up to 200°C
Accuracy class PN (ABEC-1)
Dimension - r(min.) 3 mm | 0.1181 inch
Dimension - D1 210.6 mm | 8.2913 inch
Dimension - d1 169.9 mm | 6.6890 inch
Equivalent QJ324N2MPA
Bore Type Cylindrical bore
Dimension - a 133 mm | 5.2362 inch
Dimension - an 11.7 mm | 0.4606 inch
Dimension - bn 10.5 mm | 0.4134 inch
Dimension - rn 2 mm | 0.0787 inch
Manufacturer Part Code QJ324N2MPA
Ring Material GCr15SiMn
Seal Open
Mounting dimensions - da(min.) 134 mm | 5.2756 inch
Mounting dimensions - Da(max.) 246 mm | 9.6850 inch
Mounting dimensions - ra(max.) 2.5 mm | 0.0984 inch
Ball Material GCr15SiMn
Units Metric

NOTE: All other trademarks are the property of their respective owners, used for the purpose of compatibility description and product identification only. Tradebearings is not affiliated with, endorsed by, or sponsored by the holders of these trademarks.

QJ324-N2-MPA refers to a type of QJ3 series (QJ3..-N2-MPA) Four point contact bearings, holding grooves, with dimensions 120 mm (Bore) x 260 mm (OD) x 55 mm (Width), designed for Bidirectional load-bearing capacity, space-saving, and high rigidity, primarily used in Gearboxes, compressors, lifting machinery, Its normal operating speed can reach: the grease speed ratings: 2446 rpm, oil speed ratings: 4510 rpm, featuring One (row) construction, MPA = Solid brass cage, outer ring guided retainer to ensure extended service life, advanced Open, PN (ABEC-1) (precision) for applications High-end equipment and precision machinery. it's built to handle significant loads (dynamic radial: 382861 N, static radial: 484793 N, ), It weight approximately 15.6 kilogram.

  • Min. Order: 1 Piece/(QJ324-N2-MPA, 120 = ID, 260 = OD, 55 = B, 15.6 kg) or according to different suppliers
  • Price: Different brands, different quality, different QJ324-N2-MPA prices, different suppliers and different quality determine different prices, you can ask the supplier in detail for the price according to your own needs.
  • Precision Rating: DIN: P2~P0; ANSI: ABEC9~ABEC1; JIS: JIS~JIS0; ISO: CLASS2~NORMAL CLASS; GB/T30794 B~G
  • Inquiry ways: The right of the inquiry form, Email, skype, Whatsapp

Specifications From Tradebearings:

Reference From FAG (Schaeffler) QJ324-N2-MPA QJ3 Series Bearing, Angular Contact, Ball, Four-Point - 120 mm id x 260 mm OD x 55 mm B, Open;
Manufacturer Part Code: QJ324-N2-MPA;
Dimension Inside - id φ: 120 mm;
Dimension Outside - OD Φ: 260 mm;
Dimension Width - B: 55 mm;
Radial Internal Play: C0;
Type of Closure: Open;
Operation Temp Range: -30 to +150 °C;
Radial (Dyn.load Cr): 385000 N;
Radial (Stat.load Cor): 485000 N;
Running Accuracy Class: Not Rated;
Material of Cage: Brass;
Limiting speed (1/min): 4550 RPM;
Surface Coating: NO;
Resistance Features: Chemical Resistant;
Width Of Outer Ring: 55 mm;
Fillet Radius(ra): 2.5 mm;
Bearing Series: QJ3;
Standards: DIN628-4;
Bearing Mass (M): 34.54 lbs

Enquiry - SKF Bearing N2312

Kind Attention: International Sales We are one of the leading oilfield supply house based in Dubai with associate office in Saudi, Oman & Iraq.

✨What are the Benefits of choosing QJ324-N2-MPA bearings?

  • Bidirectional Axial Load Capacity: A single bearing can withstand bidirectional axial loads, replacing two sets of angular contact ball bearings.
  • Space Saving: Significantly reduces axial footprint, resulting in a more compact structure.
  • High Axial Rigidity: Large contact angle design provides high axial stiffness and precise positioning.
  • Economical and Efficient: Reduces procurement and installation costs.
  • The QJ324-N2-MPA Four-point contact ball bearings adopts a Bidirectional load-bearing capacity, space-saving, and high rigidity design, Reference FAG technology, with dimensions an inner diameter of 120 mm, an outer diameter of 260 mm, a width of 55 mm, featuring One (row) construction from QJ3 series (QJ3..-N2-MPA) (series), optimal operating temperature is generally -30 to up 200 degrees Celsius. With grade precision of PN (ABEC-1) and a clearance of CN, ensure the equipment operates more stably , and the maximum speed can reach (Limit Speed Ratings (grease) rpm:2446 Limit Speed Ratings (oil) rpm:4510)for applications High-end equipment and precision machinery

🏭 What are the applications of the QJ324-N2-MPA bearing?

  • Gearboxes/Compressors: Used in industrial speed reducers and screw compressors. A single bearing set withstands bidirectional axial forces, resulting in a compact structure.
  • Lifting/Mining: Used in crane slewing mechanisms and winches. Simultaneously withstands combined loads while saving space.
  • Machine Tools/Automation: Used in rotary tables and indexing heads. Precise bidirectional positioning and smooth operation.

Comments

  1. Wafangdian AA Bearing Trade Co.,Ltd
    Email: [email protected] Tel: 86-159-06428604 2021-12-04

    QJ324-N2-MPA Four-Point Contact Ball Bearing, Two Retaining Slots, 120 mm = Bore (d), 260 mm = D, 55 mm = B, 35 °, 480000 N = Load Capacity; Brand: Interchangeable From FAG QJ324-N2-MPA or OEM;
    Material Of Cage = Brass;
    Seal Close Type = Open;
    Max speed = 5000 rpm;
    Bearing Series = QJ3-N2;
    Operating Temperature Range = 200 °C;
    Feature = 4-Point;
    Bore Dia. (d) = 120 mm;
    Outside Dia. (D) = 260 mm;
    Number of Rows = 1;
    Width (B) = 55 mm;
    Contact Angle (α) = 35 °;
    Load Rating = 480000 N

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