6304

Bore
20 mm
Outer
52 mm
Width
15 mm
Wight
0.144 kg
Deep groove ball bearings open design, self-retaining
With a simple and versatile structure, it can withstand combined radial and bidirectional axial loads, has low friction, and is suitable for high-speed operation. It is widely used in motors, household appliances, and various general-purpose machinery.

Main technical Specifications

New Designations :
6304
Old Code :
304
Main demensions :
20 × 52 × 15
Bore Dia × Outside Dia × Width Dia (mm)
M :
0.144 kg
Weight
HS Code :
8482102000
Bearing customs code
ID :
20 mm
Inside diameter(I.D.)
OD :
52 mm
Outside diameter(O.D.)
T(B) :
15 mm
Thickness(W.D.)
Cr :
16.821 kN
Radial dynamic load rating
C0r :
7.801 kN
Radial static load rating
Grease rpm :
14366 r/min
Reference speed
Oil rpm :
19768 r/min
Limiting speed
Category :
Automotive bearings

Detailed parameters and installation dimensions:

Part Number 6304
Series 63
Bearing Mass - m 0.144 kg | 0.317 lb
Reference speed - nB 14366 min–1
Limiting speed - nG 19768 min–1
Reference From FAG 6304
Dimension Inside - d φ (mm) 20
Dimension Outside - D Φ (mm) 52
Dimension Width - B (mm) 15
Bore Type Z = Cylindrical bore
Bearing Type Deep groove ball bearings open design, self-retaining
Dimension - D2 44.4 mm | 1.748 inch
Dimension - r(min.) 1.1 mm | 0.043 inch
Dimension - D1 41.95 mm | 1.652 inch
Dimension - d1 30.3 mm | 1.193 inch
Rows NO. one
Mounting dimensions - da(min.) 27 mm | 1.063 inch
Seal Open
Mounting dimensions - Da(max.) 45 mm | 1.772 inch
Mounting dimensions - ra(max.) 1 mm | 0.039 inch
Cage JN = Stamping steel cage
RIC CN
Manufacturer Part Code 6304
Radial Dynamic Capacity - Cr 16821 N | 3781 lbf
Radial static Capacity - C0r 7801 N | 1753 lbf
Heat stabilization SN = (up to 120 °C)
Lubricant Without
Dimension Inside - d φ (inch) 0.787
Dimension Outside - D Φ (inch) 2.047
Dimension Width - B (inch) 0.591
Temperature - T(min) -30°C
Temperature - T(max) 120°C
Radial Fatigue Capacity - Cur 521 N | 117 lbf
Coefficient - F0 12.4
Ring Material GCr15SiMn

The equivalents & Variants model of 6304 Automotive bearings:

RHP 6304 , STEYR 6304 , TORRINGTON,FAFNIR 304K , NSK 6304 , NACHI 6304 , NTN 6304 , KOYO 6304 , FAG 6304 , SKF 6304 , MRC 304S , SNR 6304 ,

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.

6304 refers to a type of 63 Deep groove ball bearings open design, self-retaining, with dimensions 20 mm (Bore) x 52 mm (OD) x 15 mm (Width), designed for Simple structure and highly versatile, primarily used in Electric motors, automobiles, general equipment, Its normal operating speed can reach: the grease speed ratings: 14366 rpm, oil speed ratings: 19768 rpm, featuring one (row) construction, JN = Stamping steel cage retainer to ensure extended service life, advanced Open, PN (precision) for applications The vast majority of motors, transmission systems, and general-purpose machinery (general-purpose, economical, and efficient). it's built to handle significant loads (dynamic radial: 16821 N, static radial: 7801 N, ), It weight approximately 0.144 kilogram.

  • Min. Order: 1 Piece/(6304, 20 = ID, 52 = OD, 15 = B, 0.144 kg) or according to different suppliers
  • Price: There are multiple professional bearing manufacturers and suppliers in China that offer 6304. Sending an inquiry will get you quotes from multiple suppliers, allowing you to compare prices, quality, and service to find the most affordable option for 6304 bearing.
  • Inquiry ways: The right of the inquiry form, Email, skype, Whatsapp

Specifications From Tradebearings:

Reference From Timken 6304, Radial Bearing, Deep Groove Ball, Straight Bore, 20 mm id x 52 mm OD x 15 mm B, Open, C0 Clearance;
Manufacturer Part Code: 6304;
Dimension Inside - id φ: 20 mm;
Dimension Outside - OD Φ: 52 mm;
Dimension Width - B: 15 mm;
Type Of Bore: Straight Bore;
Type of Closure: Open;
Snap Ring Included: No;
Radial Internal Play: C0;
Running Accuracy Class: ABEC 1;
Material of Cage: Steel;

✨What are the Benefits of choosing 6304 bearings?

  • Versatile Load Bearing: Capable of simultaneously withstanding radial and bidirectional axial loads, suitable for high-speed and ultra-high-speed applications.
  • Low Friction and Long Life: Optimized contact between the raceway and steel balls results in an extremely low coefficient of friction, minimal heat generation, and a long service life.
  • High Speed ​​Capability: Due to high operational precision, it allows for very high maximum speeds.
  • Low Maintenance Costs: Can be designed with dust covers or sealing rings for lifetime lubrication, requiring no routine maintenance.
  • Rigid and Quiet Operation: Provides a certain level of rotational stiffness while maintaining low operating noise and vibration levels.
  • The 6304 Automotive bearings adopts a Simple structure and highly versatile design, Reference FAG technology, with dimensions an inner diameter of 20 mm, an outer diameter of 52 mm, a width of 15 mm, featuring one (row) construction from 63 (series), optimal operating temperature is generally -30 to 120 degrees Celsius. With grade precision of PN and a clearance of CN, ensure the equipment operates more stably , and the maximum speed can reach (Limit Speed Ratings (grease) rpm:14366 Limit Speed Ratings (oil) rpm:19768)for applications The vast majority of motors, transmission systems, and general-purpose machinery (general-purpose, economical, and efficient).

🏭 What are the applications of the 6304 bearing?

  • Motors/Electrical Appliances: Used in motors and home appliances. Ensures smooth high-speed operation and low noise.
  • Automotive Industry: Used in generators and gearboxes. Suitable for medium loads and offers high reliability.
  • General Machinery: Used in pumps, fans, and speed reducers. Low friction, maintenance-free, and long service life.

Comments

  1. Wafangdian AA Bearing Trade Co.,Ltd
    Email: [email protected] Tel: 86-159-06428604 2021-11-21

    6304 Deep Groove Ball Bearing, 20 mm = Bore (d), 52 mm = D, 15 mm = B, 16900 N = Load Capacity; Brand: Interchangeable From FAG 6304 or OEM;
    Material Of Bearing = Steel;
    Seal Close Type = Open;
    Material Of Cage = Sheet Steel;
    Max speed = 19800 rpm;
    Bearing Series = Medium Series;
    Operating Temperature Range = -30 to 120 °C;
    Feature = Standard;
    Bore Dia. (d) = 20 mm;
    Outside Dia. (D) = 52 mm;
    Number of Rows = 1;
    Width (B) = 15 mm;
    Load Rating = 16900 N

  2. tradebearings
    Email: [email protected] Tel: 86-0578-18167086030 2019-01-05

    I just need 1 bearing 6304-3/4

    Dear Sir, I am looking for a bearing for TMP TV701 Varian Do you have them in stock

    Dear Sir I have learn from your website in Internet that your company specialized in bearing field. We would like to import these products for our workshop and deliver to the other provinces. Could you pls kindly send me the best competitive FOB price of ball bearing with the specification as follows: Outer diameter

  3. Shandong Linqing DEO Bearing Co.,Ltd
    Email: [email protected] Tel: 86-199-54215210 2018-12-06

    6304 6304ZZ 6304-2RS Deep groove ball bearing 20X52X15mm GCR15 GCR11 DEO BEARING FACTORY
    d 20
    D 52
    B 15
    r 1.1
    Cr 15.9
    Cor 7.85
    Grease 14000
    Oil 17000
    Bearing Designation 6304
    da 26.5
    Da 45.5
    ra 1
    Mass(kg) 0.144
    Payment & Shipping Terms:
    Price: 1$-50$
    Packaging Details: simple package,as your requirment,sample package
    Delivery Time: as soon as possible,in stock
    Payment Terms: T/T,L/C,WESTERN UNION
    Supply Ability: 500 000 sets/month
    Minimum Order Quantity: 1 PIECE

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