7012CEGAT/VQ253
Main technical Specifications
Detailed parameters and installation dimensions:
| Key Characteristics: | |
| Part Number | 7012CEGAT/VQ253 |
| Bearing Type | Super-precision angular contact ball bearings, single row |
| Design | CE = contact angle 15°, high-speed E design |
| Cage | Cotton fabric reinforced phenolic resin or carbon fibre reinforced PEEK, outer ring centred |
| Series | 7000 series (70..CEGAT/VQ253) |
| Dimension series | 70 = (ISO dimension series 10) |
| Contact angle - α | CE = 15 ° |
| Seal | Open |
| Contact type | Normal contact (2-point contact) |
| Interchangeable | SKF 7012CEGAT/VQ253 |
| Arrangement | No |
| Universal matching | GA = Single, universally matchable (DB (<>), DF (><) or DT (>>)), light preload |
| Number of bearings (Arrangement) | 1 |
| Load | radial and axial |
| Bore Type | Cylindrical |
| Coating | No |
| Lubricant | No |
| Temperature - T(min) | -30 °C |
| Temperature - T(max) | 110 °C |
| Units | Metric |
| Ring type | (1) inner, (1) outer rings |
| Inner/Outer Ring Material | Carbon chromium steel |
| Rolling Element Material | Carbon chromium steel |
| Number of rows (per) - i | One |
| Manufacturer Part Code | 7012 CEGAT/VQ253 |
| Bearing Mass - m | 0.415 kg | 0.915 lb |
| Dimensions: | |
| Dimension Inside - d φ | 60 mm | 2.362 inch |
| Dimension Outside - D Φ | 95 mm | 3.740 inch |
| Dimension Width - B | 18 mm | 0.709 inch |
The 7012CEGAT/VQ253 is a Super-precision angular contact ball bearings, single row, with dimensions 60 mm x 95 mm x 18 mm, designed for High speed, ultra-precision, high rigidity, low operating friction, and long service life, Suitable for the field of precision machinery, especially high-speed and high-precision spindle systems, requiring high running accuracy and the accommodation of radial and axial loads simultaneously, such as CNC machine tool spindles and other high-precision machinery.
The 7012CEGAT/VQ253 Precision Bearings, featuring Cotton fabric reinforced phenolic resin or carbon fibre reinforced PEEK, outer ring centred retainer to ensure extended service life, advanced Open design, . It effectively reduces friction and wear, enhances load-bearing rigidity, and suppresses vibration and noise, thereby significantly extending equipment service life and ensuring long-term, stable operation under complex working conditions.
- Min. Order: 1 Piece/(7012CEGAT/VQ253, 60 = ID, 95 = OD, 18 = B, 0.415 kg) or according to different suppliers
- Price: There are multiple professional bearing manufacturers and suppliers in China that offer 7012CEGAT/VQ253. 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 7012CEGAT/VQ253 bearing.
- Inquiry ways: The right of the inquiry form, Email, skype, Whatsapp
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✨What are the Benefits of choosing 7012CEGAT/VQ253 bearings?
🏭 What are the applications of the 7012CEGAT/VQ253 bearing?
📐 How should choose the right model for a Precision Bearings?
Step 1: Select Series by Size
Determine the ISO size series based on installation space and load requirements:
718 Series: Ultra-light, extremely low cross-section height, suitable for space-constrained applications.
719 Series: Extremely light, a general-purpose choice, balancing rigidity and speed.
70 Series: Light, the most commonly used series, with a wide range of applications.
72 Series: Robust, largest cross-section, suitable for heavy-duty, relatively low-speed applications.
Step 2: Select Internal Design by Working Condition (Crucial)
This is the core of SKF selection; different suffixes correspond to different performance orientations:
High Load Capacity D Design: Suffix CD (15° contact angle) or ACD (25° contact angle). Utilizes a large ball design, offering the highest rigidity and load-bearing capacity, suitable for general-purpose machine tool spindles such as machining centers and lathes.
High Speed E Design: Suffix CE (15°), FE (18°), or ACE (25°). Featuring a small, multi-ball design, this bearing boasts higher speed capabilities than the D design, suitable for ultra-high-speed applications such as electric spindles and PCB drilling.
High-Speed B Design: Suffixes CB (15°), FB (18°), or ACB (25°). Smaller and lighter balls, suitable for extremely high speeds and light loads.
UltraFast A Design: Suffix AB (20° contact angle). Available only with hybrid ceramic balls, designed specifically for electric spindles demanding extreme speeds.
Sealed W Design: Suffix FW (18° contact angle). Available only with hybrid ceramic balls, featuring double-sided sealing and lifetime lubrication, suitable for medium-to-high-speed, maintenance-free equipment such as woodworking machinery.
Step 3: Identifying the Seal and Suffix
Seal Identification (Prefix): Models starting with S indicate double-sided sealing (e.g., S7010), pre-filled with grease at the factory, requiring no maintenance for life. Those without S are open bearings.
Material: HC indicates hybrid ceramic balls (ceramic balls + steel rings), enabling higher speeds, electrical insulation, and longer lifespan.
Preload (universal pairing): GA (ultra-light preload), GB (light preload), GC (medium preload). This is a suffix for a single bearing, indicating that the bearing can be arbitrarily paired and combined to achieve a specified preload.
Precision: P4 (ISO Class 4, standard ultra-precision), P4A (operating precision higher than P4), P2 (highest grade).
Arrangement (pair/group suffix): DB (back-to-back), DF (face-to-face), DT (tandem), QBC (quadruple, tandem back-to-back configuration), etc.
Typical Model Explanation
Taking S7010 ACD/HCP4A QBC C as an example:
S: Double-sided seal (lifetime lubrication)
7010: 70 series, 50mm inner diameter
ACD: 25° contact angle, D design (high load capacity)
HC: Hybrid ceramic balls
P4A: Precision grade (super P4)
QBC: Quadruple bearing assembly, tandem back-to-back configuration
C: Medium preload (for heavy preload)
Taking 71922 CDGB TNHA/PA9A L as an example:
71922: 719 series, 110mm inner diameter
CD: 15° contact angle, D design (high load capacity)
GB: Light preload (universal matching)
TNHA: Glass fiber reinforced PEEK cage, outer ring centering
PA9A: Precision grade (ISO) Level 2)
L: Light preload (for triple/quadruple units only)
Selection Key Points Summary
First determine the series: 718/719/70/72
Then determine the design: CD/ACD (high load capacity) or CE/ACE (high speed) or FW (sealing) or AB (UltraFast)
Confirm the seal: Select the S prefix for lifetime lubrication
Optional suffixes: Material HC, Preload GA/GB/GC, Accuracy P4/P4A, Arrangement DB/DF/DT/QBC
🛠️ What is the mounting procedure for 7012CEGAT/VQ253 bearings?
Cleaning and Inspection: Clean the bearing in a dust-free environment. After a rough wash to remove contaminants, perform a fine wash until the bearing feels smooth and responsive to the touch. Simultaneously check the accuracy of the mating surfaces of the shaft and bearing housing.
Measurement and Fitting: Precisely measure the bearing's inner and outer diameters. Mark the corresponding positions on the shaft and housing bores for alignment during assembly to compensate for any deviations.
Installation and Positioning: Apply pressure evenly using a specialized tool, focusing only on the interference fit rings. If heat fitting is used, tighten the inner ring during cooling to prevent clearance from affecting the preload.
Preload Adjustment: When installing in pairs, ensure the parallelism of the inner and outer spacers is ≤1μm. Adjust the preload force to the specified value by grinding the spacers.
Lubrication Inspection: Add the specified amount of grease or oil mist lubricant. After installation, manually rotate the bearing to check its flexibility and operating noise.
📋 Special Note for mounting 7012CEGAT/VQ253 bearings?
Clean Environment: Operation must be performed in a dust-free cleanroom with humidity ≤65% to prevent dust and impurities from affecting accuracy.
No Striking: Direct striking of the bearings is strictly prohibited. Special tools must be used, and force must be applied evenly.
Matching Marks: Bearings used in pairs are not interchangeable. Installation must strictly follow the factory matching marks.
Rust-Proof Storage: Long-term storage requires regular rust-proofing treatment. Maintain ventilation and avoid corrosive gases.