language:

7001CD/DTVQ253

Bore
12 mm
Outer
28 mm
Width
16 mm
Wight
0.0415 kg
Super-precision angular contact ball bearings, single row
High precision, high speed, and high rigidity; capable of withstanding combined loads and operating smoothly; used in machine tool spindles, high-speed machining centers, and precision instruments.

Main technical Specifications

New Designations :
7001CD/DTVQ253
Main demensions :
12 × 28 × 16
Bore Dia × Outside Dia × Width Dia (mm)
M :
0.0415 kg
Weight
HS Code :
8482103000
Bearing customs code
ID :
12 mm
Inside diameter(I.D.)
OD :
28 mm
Outside diameter(O.D.)
T(B) :
16 mm
Thickness(W.D.)
Category :
Angular contact ball bearings, super-precision

Detailed parameters and installation dimensions:

Key Characteristics:  
Part Number 7001CD/DTVQ253
Bearing Type Super-precision angular contact ball bearings, single row
Design CD = contact angle 15°, high-capacity D design
Cage Cotton fabric reinforced phenolic resin or carbon fibre reinforced PEEK, outer ring centred
Series 7000 series (70..CD/DTVQ253)
Dimension series 70 = (ISO dimension series 10)
Contact angle - α CD = 15 °
Seal Open
Contact type Normal contact (2-point contact)
Interchangeable SKF 7001CD/DTVQ253
Arrangement DT = two bearings arranged in tandem <<
Universal matching Single standalone bearing
Number of bearings (Arrangement) 2
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 7001 CD/DTVQ253
Bearing Mass - m 0.0415 kg | 0.091 lb
Dimensions:  
Dimension Inside - d φ 12 mm | 0.472 inch
Dimension Outside - D Φ 28 mm | 1.102 inch
Dimension Width - B 16 mm | 0.630 inch

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.

7001CD/DTVQ253 refers to a type of 7000 series (70..CD/DTVQ253) Super-precision angular contact ball bearings, single row, with dimensions 12 mm (Bore) x 28 mm (OD) x 16 mm (Width), designed for High speed, ultra-precision, high rigidity, low operating friction, and long service life, primarily used in CNC machine tool spindles and other high-precision machinery, featuring Cotton fabric reinforced phenolic resin or carbon fibre reinforced PEEK, outer ring centred retainer to ensure extended service life, advanced Open, for applications 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. . It weight approximately 0.0415 kilogram.

  • Min. Order: 1 Piece/(7001CD/DTVQ253, 12 = ID, 28 = OD, 16 = B, 0.0415 kg) or according to different suppliers
  • Price: Different brands, different quality, different 7001CD/DTVQ253 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

Quisiera ke me remitieran por favor el precio del cojinete SKF 3314

Quisiera ke me remitieran por favor el precio del cojinete SKF 3314. Cordiales saludos y muchas gracias

✨What are the Benefits of choosing 7001CD/DTVQ253 bearings?

  • High simultaneous load-bearing capacity: Capable of simultaneously withstanding combined radial and axial loads and operating at high speeds.
  • High speed limit: Optimized contact angle and cage design suitable for ultra-high-speed operation (e.g., machine tool spindles).
  • Rigidity and precision: Provides extremely high rotational accuracy and system rigidity, ensuring precision in machining or operation.
  • Preload adjustment: Precise preload adjustment is possible through paired installation (back-to-back/face-to-face), eliminating backlash and improving system stability.
  • Versatile design: Offers different contact angles (e.g., 15°, 25°) to accommodate different speeds and load requirements.
  • The 7001CD/DTVQ253 Angular contact ball bearings, super-precision adopts a High speed, ultra-precision, high rigidity, low operating friction, and long service life design, Reference SKF technology, with dimensions an inner diameter of 12 mm, an outer diameter of 28 mm, a width of 16 mm, from 7000 series (70..CD/DTVQ253) (series), optimal operating temperature is generally -30 to 110 degrees Celsius. ensure the equipment operates more stably for applications 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.

🏭 What are the applications of the 7001CD/DTVQ253 bearing?

  • Machine tool manufacturing (spindles, grinding heads): Achieve extremely high speeds and machining accuracy, improving surface quality and production efficiency.
  • Aerospace (accessory gearboxes, gyroscopes): Maintain high reliability and long lifespan during high-speed operation, adapting to harsh environments.
  • Precision instruments (measuring equipment, optical instruments): Provide extremely low vibration and smooth operation, ensuring measurement accuracy.
  • High-speed motors (electric spindles, permanent magnet motors): Support ultra-high speed operation, reducing temperature rise and power consumption.
  • Semiconductor equipment (wafer dicing machines, lithography machines): Ensure micron-level positioning accuracy and long-term stability, improving yield.
  • Medical devices (CT scanners, surgical robots): Achieve quiet and smooth rotation, meeting medical safety standards.
  • Robotics (joint reducers): Improve joint response speed and repeatability, enhancing dynamic performance.

📐 How should choose the right model for a Angular contact ball bearings, super-precision?

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 7001CD/DTVQ253 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 7001CD/DTVQ253 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.

Leave A Comment

Other models the same size : 12x28x16

H7001 C/HQ1 P4A DB A

Angular contact ball bearings, super-precision   12 * 28 * 16 Grease rpm: 80000, Oil rpm: 130000,

H7001 AC P4A DB A

Angular contact ball bearings, super-precision   12 * 28 * 16 Grease rpm: 60000, Oil rpm: 90000,

H7001 AC/HQ1 P4A DB A

Angular contact ball bearings, super-precision   12 * 28 * 16 Grease rpm: 70000, Oil rpm: 110000,

B7001 C P4A DB A

Angular contact ball bearings, super-precision   12 * 28 * 16 Grease rpm: 70000, Oil rpm: 110000,

B7001 C/HQ1 P4A DB A

Angular contact ball bearings, super-precision   12 * 28 * 16 Grease rpm: 85000, Oil rpm: 130000,

HS7001 C P4A DB A

Angular contact ball bearings, super-precision   12 * 28 * 16 Grease rpm: 75000, Oil rpm: 120000,

HS7001 C/HQ1 P4A DB A

Angular contact ball bearings, super-precision   12 * 28 * 16 Grease rpm: 85000, Oil rpm: 140000,

HS7001 AC P4A DB A

Angular contact ball bearings, super-precision   12 * 28 * 16 Grease rpm: 63000, Oil rpm: 100000,