6808zz
Main technical Specifications
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:
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;









Wafangdian AA Bearing Trade Co.,Ltd
Email: [email protected] Tel: 86-159-06428604 2021-11-216808ZZ 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
FENGYUN IMPORT & EXPORT CO.,LIMITED
Email: [email protected] Tel: +86-021-54711865 Mob No.:+86 18101702187 2019-07-22Model 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