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HSS7009-E-T-P4S-UL

Bore
45 mm
Outer
75 mm
Width
16 mm
Wight
0.261 kg
Super Precision Angular Contact Ball Bearing
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 :
HSS7009-E-T-P4S-UL
Old Code :
HSS7009ETP4SUL
Main demensions :
45 × 75 × 16
Bore Dia × Outside Dia × Width Dia (mm)
M :
0.261 kg
Weight
ID :
45 mm
Inside diameter(I.D.)
OD :
75 mm
Outside diameter(O.D.)
T(B) :
16 mm
Thickness(W.D.)
Cr :
11.497 kN
Radial dynamic load rating
C0r :
6.929 kN
Radial static load rating
Grease rpm :
23907 r/min
Reference speed
Oil rpm :
35860 r/min
Limiting speed
Category :
Precision spindle bearings

Detailed parameters and installation dimensions:

Part Number HSS7009-E-T-P4S-UL
Design Type HSS = High Speed Bearing with small balls, Steel balls
Series HSS70..-E-T-P4S-UL
Bearing Type Super Precision Angular Contact Ball Bearing
Contact angle - α (E) 25 °
Dimension series 70 (Medium series)
Bearing set UL
Accuracy class P4S
Seal 2RSD = lip seals on both sides, non-contact
Arrangement U = Single bearing arrangeable as desired
Preload L = Preload Light
Row No. One
Bore Type Z = Cylindrical bore
Units Metric
Bearing Mass - m 0.261 kg | 0.575 lb
Cage T = Laminated fabric, guidance on outer ring
Ball Material GCr15SiMn
Ring Material GCr15SiMn
Manufacturer Part Code HSS7009ETP4SUL , HSS7009E-T-P4S-UL
Reference From FAG HSS7009-E-T-P4S-UL
Dimension Inside - d φ (mm) 45
Dimension Outside - D Φ (mm) 75
Dimension Width - B (mm) 16
Dimension - r(min.) 1 mm | 0.039 inch
Dimension - r1(min.) 1 mm | 0.039 inch
Temperature - T(min) -30°C
Temperature - T(max) +100°C
Radial Dynamic Capacity - Cr 11497 N | 2584 lbf
Radial static Capacity - C0r 6929 N | 1557 lbf
Reference speed (grease) - nB 23907 min–1
Limiting speed (oil) - nG 35860 min–1
Mounting dimensions - da(h12) 51 mm | 2.008 inch
Mounting dimensions - Da(H12) 69 mm | 2.717 inch
Mounting dimensions - Etk(nom.) 58.2 mm | 2.291 inch
Preload force - Fv L 67 N | 15 lbf
Preload force - Fv M 206 N | 46 lbf
Preload force - Fv H 419 N | 94 lbf
Axial rigidity - ca L 81.4 N/μm
Axial rigidity - ca M 125 N/μm
Axial rigidity - ca H 164 N/μm
Lift-off force - KaE L 199 N | 44 lbf
Lift-off force - KaE M 618 N | 138 lbf
Lift-off force - KaE H 1274 N | 286 lbf

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.

HSS7009-E-T-P4S-UL refers to a type of HSS70..-E-T-P4S-UL Super Precision Angular Contact Ball Bearing, with dimensions 45 mm (Bore) x 75 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, Its normal operating speed can reach: the grease speed ratings: 23907 rpm, oil speed ratings: 35860 rpm, featuring One (row) construction, T = Laminated fabric, guidance on outer ring retainer to ensure extended service life, advanced 2RSD = lip seals on both sides, non-contact, P4S (precision) 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's built to handle significant loads (dynamic radial: 11497 N, static radial: 6929 N, ), It weight approximately 0.261 kilogram.

  • Min. Order: 1 Piece/(HSS7009-E-T-P4S-UL, 45 = ID, 75 = OD, 16 = B, 0.261 kg) or according to different suppliers
  • Price: Different brands, different quality, different HSS7009-E-T-P4S-UL 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

Enquiry Bearings 68032RS

Hello. With pushed to such a problem that the ship bearing freeze at -30 degrees. Could you tell us whether your bearings operate reliably at temperatures up to -40 degrees Celsius?

✨What are the Benefits of choosing HSS7009-E-T-P4S-UL 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 HSS7009-E-T-P4S-UL Precision spindle bearings adopts a High speed, ultra-precision, high rigidity, low operating friction, and long service life design, Reference FAG technology, with dimensions an inner diameter of 45 mm, an outer diameter of 75 mm, a width of 16 mm, featuring One (row) construction from HSS70..-E-T-P4S-UL (series), optimal operating temperature is generally -30 to +100 degrees Celsius. With grade precision of P4S and ensure the equipment operates more stably , and the maximum speed can reach (Limit Speed Ratings (grease) rpm:23907 Limit Speed Ratings (oil) rpm:35860)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 HSS7009-E-T-P4S-UL 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 Precision spindle bearings?

Following the naming logic of "basic model + suffix," the key steps for selection are as follows:

Step 1: Contact Angle Determines Basic Load-Bearing Direction

Ultra-precision angular contact ball bearings have contact angles indicated by letters following their basic model number:

C = 15° Contact Angle: Suitable for ultra-high-speed rotation, relatively weak axial load-bearing capacity, a typical choice for high-precision, high-speed operation scenarios.
D (or AC) = 25° Contact Angle: General purpose, balancing high speed and axial rigidity.
E (or B) = 40° Contact Angle: Suitable for heavy-duty applications, good axial rigidity, but lower limiting speed.

Step 2: Design Variations Determine Performance Orientation

Ultra-precision spindle bearings have various internal design variations, identified by prefixes or suffixes:

No Code: Standard design, steel balls.
HC: Hybrid ceramic balls (silicon nitride balls + steel rings), enabling higher speeds, electrical insulation, lower heat generation, and longer lifespan.
X-life: Schaeffler's top-quality designation, representing higher load-bearing capacity, lower friction, and longer lifespan.
E: High-performance design, usually indicating superior performance. Internal Geometry

Step 3: Cage Code

Cage material directly affects high-speed performance and operational stability:

T: Laminated phenolic resin cage, outer ring guided (standard high-speed design)
TP: Also phenolic resin cage, but for rolling elements guided
P: Plastic cage (e.g., PEEK material)
G: Solid brass cage, suitable for higher temperatures or special operating conditions

Step 4: Universal Pairing and Preload

Ultra-precision bearings are all universally paired, allowing for arbitrary back-to-back, face-to-face, or tandem configurations. Preload is indicated by the following suffixes:

UL: Universal Light – Suitable for high-speed applications
UM: Universal Medium – Suitable for high-speed applications
UH: Universal Heavy – Suitable for high-rigidity applications
LO: Light Preload
L: Another way to indicate light preload

Step 5: Accuracy Grade

FAG ultra-precision bearing accuracy grade suffixes:
P4: ISO Class 4 accuracy, standard ultra-precision grade
P4S: Schaeffler standard, a higher accuracy grade than P4 (operating accuracy can reach P2 level), the standard configuration for FAG spindle bearings
P2: ISO Class 2 accuracy, the highest grade

Typical Model Interpretation

Using HC7008-E-T-P4S-UL For example:

HC: Hybrid ceramic ball bearing (ceramic ball + steel ring)
7008: 70 series, 40mm inner diameter
E: High-performance design (25° contact angle)
T: Phenolic resin cage, outer ring guided
P4S: Ultra-precision grade (higher than P4)
UL: Universal mating, light preload

This model designation indicates: a 70 series hybrid ceramic ball bearing with a 40mm inner diameter, 25° contact angle, phenolic resin cage, P4S precision grade, universal mating, and light preload—suitable for general applications such as high-speed machining center spindles.

Key Selection Points Summary

Determine Contact Angle: C (15° high speed), D/AC (25° general purpose), E/B (40° heavy load)
Select Material: No designation = steel balls, HC = ceramic balls (higher performance)
Match Cage: T (phenolic resin) suitable for most high-speed applications
Set Preload: UL (light preload) general purpose, UM/UH for high rigidity requirements
Confirm Accuracy: P4S is the standard configuration for FAG ultra-precision bearings

Following the order of "Contact Angle → Material → Cage → Preload → Accuracy" will provide a complete understanding of the FAG ultra-precision angular contact ball bearing models.

🛠️ What is the mounting procedure for HSS7009-E-T-P4S-UL 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 HSS7009-E-T-P4S-UL 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.

Comments

  1. tradebearings
    Email: [email protected] Tel: 86-0578-18167086030 2019-05-04

    good day please provide me price for these bearings listed below HSS7009-E-T-P4S-UL HSS7008-E-T-P4S-UL also pleae provide lead time for delivery

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