6808zz

Bore
40 mm
Outer
52 mm
Width
7 mm
Wight
0.031 kg
Deep groove ball bearings, single row, shields
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 :
6808zz
Main demensions :
40 × 52 × 7
Bore Dia × Outside Dia × Width Dia (mm)
M :
0.031 kg
Weight
HS Code :
8482102000
Bearing customs code
ID :
40 mm
Inside diameter(I.D.)
OD :
52 mm
Outside diameter(O.D.)
T(B) :
7 mm
Thickness(W.D.)
Cr :
6.901 kN
Radial dynamic load rating
C0r :
5.426 kN
Radial static load rating
Grease rpm :
11918 r/min
Reference speed
Category :
Single row deep groove ball bearings

Detailed parameters and installation dimensions:

Part Number 6808zz
Seal ZZ = shields on both sides
Series 6800 metric, ultra-thin section series (68..ZZ)
Dimension Chamfer - r min 0.3 mm | 0.0118 inch
Radial clearance CN
Radial Dynamic Capacity - Cr 6901 N | 1551 lbf
Radial Static Capacity - C0r 5426 N | 1219 lbf
Bore Cylindrical
Units Metric
Speed ratings (grease) - nB 11918 min–1
Equivalent 6808-ZZ
Load radial
Rows NO. One
Number of Balls - z 21
Ball Diameter - Dw 3.969 mm | 0.1563 inch
Abutment Dimensions Shaft - da min 42 mm | 1.6535 inch
Abutment Dimensions Shaft - da max 42 mm | 1.6535 inch
Abutment Dimensions Housing - Da max 50 mm | 1.9685 inch
Cage Pressed Steel Cages
Temperature - T(min) -10 °C
Temperature - T(max) 110 °C
Interchangeable NSK 6808zz
Dimension Inside - d φ 40 mm | 1.5748 inch
Dimension Outside - D Φ 52 mm | 2.0472 inch
Dimension Width - B 7 mm | 0.2756 inch
Tolerance class P0 (ABEC-1)
Ball Material GCr15SiMn
Fillet Radius - ra max 0.3 mm | 0.0118 inch
Factor - fo 17
Bearing Type Deep groove ball bearings, single row, shields
Bearing Mass - m 0.031 kg | 0.0683 lb
Manufacturer Part Code 6808-ZZ
Ring Material GCr15SiMn

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.

6808zz refers to a type of 6800 metric, ultra-thin section series (68..ZZ) Deep groove ball bearings, single row, shields, with dimensions 40 mm (Bore) x 52 mm (OD) x 7 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: 11918 rpm, featuring One (row) construction, Pressed Steel Cages retainer to ensure extended service life, advanced ZZ = shields on both sides, P0 (ABEC-1) (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: 6901 N, static radial: 5426 N, ), It weight approximately 0.031 kilogram.

  • Min. Order: 1 Piece/(6808zz, 40 = ID, 52 = OD, 7 = B, 0.031 kg) or according to different suppliers
  • Price: Different brands, different quality, different 6808zz 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 NTN 6808ZZ, Radial Bearing, Deep Groove Ball, Straight Bore, 40 mm id x 52 mm OD x 7 mm B;
Manufacturer Part Code: 6808ZZ;
Dimension Inside - id φ: 40 mm;
Dimension Outside - OD Φ: 52 mm;
Dimension Width - B: 7 mm;
Type Of Bore: Straight Bore;
Type of Seal: Two Sealed;
Number of Rows: One Rows;
Snap Ring Included: No;
Radial Internal Play: CN;
Operation Temp Rating: -40 to 120 ºC;
Dyn. Load Rating: 5100 N;
Stat. Load Rating: 4400 N;
Running Accuracy Class: ISO Class 0 (DIN P0);
Surface Coating: NO;
Material of Bearing: High Hardness Bearing Steel;
Material of Cage: Steel;
Width Of Inner Ring: 7 mm;
Width Of Outer Ring: 7 mm;
Max Reference Speed RPM (Grease): 12000 rpm;
Fillet Radius(ra): 0.3 mm;
Limiting speed Max (1/min): 12000 RPM;
Bearing Series: 68;
Bearing Mass (m): 0.07 lbs;

✨What are the Benefits of choosing 6808zz 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 6808zz Single row deep groove ball bearings adopts a Simple structure and highly versatile design, Reference NSK technology, with dimensions an inner diameter of 40 mm, an outer diameter of 52 mm, a width of 7 mm, featuring One (row) construction from 6800 metric, ultra-thin section series (68..ZZ) (series), optimal operating temperature is generally -10 to 110 degrees Celsius. With grade precision of P0 (ABEC-1) and a clearance of CN, ensure the equipment operates more stably , and the maximum speed can reach (Limit Speed Ratings (grease) rpm:11918 )for applications The vast majority of motors, transmission systems, and general-purpose machinery (general-purpose, economical, and efficient).

🏭 What are the applications of the 6808zz 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

    6808ZZ Radial Ball Bearing, 68 Series, Deep Groove, Thin Section, Round Bore, 40 mm = Bore (d), 52 mm = D, 7 mm = B, 5100 N = Load Capacity; Brand: Interchangeable From NTN 6808ZZ or OEM;
    Material Of Bearing = High Hardness Bearing Steel;
    Material Of Cage = Pressed Steel;
    Seal Type = Two Seal Close;
    Max speed = 12000 rpm Grease;
    Bearing Series = 68 Series;
    Operating Temperature Range = -40 to 120 °C;
    Feature = Cylindrical Bore Thin Small;
    Bore Dia. (d) = 40 mm;
    Outside Dia. (D) = 52 mm;
    Number of Rows = 1;
    Width (B) = 7 mm;
    Load Rating = 5100 N

  2. FENGYUN IMPORT & EXPORT CO.,LIMITED
    Email: [email protected] Tel: +86-021-54711865 Mob No.:+86 18101702187 2019-07-22

    Model Number: 6808ZZ
    Type : deep Groove ball bearings
    Size: 40 x 52 x 7mm
    Sealed Case:Double metal shielded cover
    Precision:ABEC-1,ABEC-3,ABEC-5,ABEC-7 all available
    Main Material:Bearing steel GCR15
    Price: $32/50pcs, free shipping by china post
    larger order have discount

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