7004AC/C Angular Contact Ball Bearing (20x42x12mm) Ceramic Ball
7004AC/C
Bore Diameter:20 mm
Outside Diameter:42 mm
Width:12 mm
Weight:0.08 kg
The 7004AC/C bearing is a Angular Contact Ball Bearing 70 series with an inner diameter of 20 mm , an outer diameter of 42 mm, a width of 12 mm. It typically uses P5/P4/P2 grade precision tolerances and open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
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Detailed description
7004 Angular Contact Ball Bearing (20x42x12mm)
A . Angular Contact Ball Bearing Parameters
Brand BYC
Structure Angular Contact
Model number 7004
Inner ring(mm) 20
Outer ring(mm) 42
Width(mm) 12
Weight(Kg) 0.08
Materials Chrome steel/GCR15
Precision grade P5/P4/P2
Lubrication type Grease lubrication
Contact Angle C=15°;AC=25°
Material(Ball) Steel ball(SUJ2); SN24:Ceramic ball(Si3N4)
Number of Row Single rows
Material(Cage) TYN-PA;TR-PF
Combination of mark "SU:Universal combination (single row)
DU:Universal combination (double rows)
DB: Back-to-back combination
DF: Face-to-face combination
DT: Parallel combination
DBD.DFD.DTD: Three rows
DBB.DFF.DBT.DFT.DTT: Four rows"
Preloaded mark "EL: Micro preloaded
L : Light preload
M : Medium preloade
H : Heavy preloaded"
B . 7004 Angular Contact Ball Bearing Specification Sheet
| Model Number | Dimensions | α=15° | α=25° | Material (Cage ) |
Weight (kg) Approx |
||||
| Limiting speed | Limiting speed | ||||||||
| d | D | B | Basic load rating | Lubrication | Basic load rating | Lubrication | |||
| Cr Cor | Grease Oil | Cr Cor | Grease Oil | ||||||
| 7004 | 20 | 42 | 12 | 9.6 6.3 | 37000 55000 | 9.2 6.0 | 33000 49000 | PA/PF | 0.08 |
C . 70 series Angular Contact Ball Bearing Details
Product Features Precision Angular Contact Ball BearingsDue to their internal design, angular contact ball bearings can withstand high radial-axial loads and reach high speeds. They are asymmetrical for manufacturing reasons and can withstand unidirectional axial loads only. Angular bearings are usually mounted in a group of two or more opposed preloaded units with rigid or elastic spacers. Typically, the inner and outer raceways and balls are made of chrome steel. Where operating conditions are severe, bearings may have ceramic balls creating a hybrid bearing.
Series Introduction ISO 10 Series - highest load, second lowest speed bearings-70 Series Angular Contact Bearings Series Model No. 7000, 7001, 7002, 7003, 7004, 7005, 7006, 7007, 7008, 7009, 7010, 7011, 7012, 7013, 7014, 7015, 7016, 7017, 7018, 7019, 7020, 7021,7022, 7024, 7026, 7028, 7030, 7032, 7034, 7036, 7038, 7040, 7044, 7048, 7052, 7056, 7060, 7064, 7068, 7072, 7076, 7080, 7084
Applications "Angular contact bearing applications :
electric motors,Spindle,automotive applications, home appliances, industrial equipment."
D . 70 series Angular Contact Ball Bearing Installation & Cautions
"Installation:
To obtain the best possible performance of the bearings, installation must be performed very carefully in ultra clean conditions.
Errors during fitting of ball bearings can jeopardize the best design and create high repair and maintenance costs. We would like to give some advise for proper mounting of bearings:
The workshop should be dust free with low humidity, no compressed air or machining is allowed.
Only unpack bearings immediately before installation. If grease is required it should be applied at this time, with a syringe. Do not use fingers or a spatula.
The use of a syringe is recommended to inject the grease right between the balls into the ball/raceway area. Nearly all standard greases are compatible to our rust preventive, so in most cases it is not necessary to wash the bearings prior to greasing. The only exceptions are special greases, based on silicone or fluorocarbon oils or PTFE-thickeners. They require a clean oil free surface to obtain good adhesion of the grease.
Never clean the bearings in ultra sonic devices! Allow the rust preventive to dissolve in a gasoline bath by slowly moving the bearings."
E . Our Best Bearing Service
"Angular contact ball bearings features :
1) Load capacities are higher than deep groove ball bearings of same dimensions
2) Used for bearing radial-axial combined loads or pure thrust loads
3) Low operating friction and high limiting speed In conclusion, our company has an abundant stockage of Crossed Roller bearings ,Rotary Table Bearing Angular contact bearings and Slewing Bearing. You may just feel free to contact us whenever you are in need of any kind of bearings. It would be our great honor to develop business cooperation with esteemed companies in this field. In conclusion, our company has an abundant stockage of Crossed Roller bearings ,Rotary Table Bearing Angular contact bearings and Slewing Bearing. You may just feel free to contact us whenever you are in need of any kind of bearings. It would be our great honor to develop business cooperation with esteemed companies in this field. The leading products include crossed roller bearing RB, RE, RU,RA,CRBC, CRBH, XSU, SX series, rotary table bearings YRT, YRTS,YRTM,ZKLDF series, crossed tapered roller bearing JXR, XR series, cylindrical roller thrust bearing 811 series, almost whole range of precision bearings. The accuracy grades are P5, P4, P2, and the size of inner ring are ranging from Φ50mm --- Φ1300mm Our products are optimal for applications such as joints and swiveling units of industrial robots, swiveling tables of machining centers, precision rotary tables, medical equipment, measuring instruments and IC manufacturing machines,mainly to replace the imported bearings."
BYC Bearrings, Crossed roller bearing , Thin section bearing , Turntable bearing , Roller Bearing ,Bearing ,Slewing bearing ,Robotic bearing ,Rotary Table Bearing , YRT Rotary Table Bearing ,Angular Contact Ball Bearing
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