7028 Angular Contact Ball Bearing (140x210x33mm) BYC Provide Robotic Bearings
A . Angular Contact Ball Bearing Parameters
Brand- BYC
Structure- Angular Contact
Model number- 7028
Inner ring(mm)- 140
Outer ring(mm)- 210
Width(mm)- 33
Weight(Kg)- 3.45
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 . 7028 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 | ||||||
| 7028 | 140 | 210 | 33 | 148.7 202.6 | 5000 8000 | 140.4 192.2 | 4600 7500 | PA/PF | 3.45 |













