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SKF thrust ball bearing, one-way, 51309

LEHIY item code: LH-SKF-2302

Industrial bearing for rotational support and load handling.

Quick buying check

This page helps you check SKF thrust ball bearing, one-way, 51309 before you ask for a quote.

Confirm the brand, model number, part number, and quantity. Share a clear nameplate photo when the old item has close variants.

LEHIY can check stock, lead time, packing, shipping documents, and safe replacement options for maintenance orders.

Product Introduction Overview

Selection Data

Bearing Types

Single-Direction Thrust Ball Bearing



Double-Direction Thrust Ball Bearing

Single-direction thrust ball bearings consist of grooved washer-shaped races and a cage containing balls.

The races mounted on the shaft are called shaft races, and the races mounted in the bearing housing are called housing races. Double-direction bearings mount the center ring on the shaft.

Single-direction thrust ball bearings bear unidirectional axial loads, while double-direction bearings can bear bidirectional axial loads. To mitigate the effects of installation errors, there are also thrust ball bearings with spherical housing races. Small bearings mainly use stamped steel cages.

Large bearings with machined cages.

5

Thrust Ball Bearing


For example: BA 9 indicates an inner diameter of 9mm.

BA.

BA series single-direction thrust ball bearings. The digit after BA indicates the inner diameter, d<10mm.

Inner diameter code (general bearing inner diameter code × 5 = bearing inner diameter in mm)

07

Inner diameter is 35mm

15

Inner diameter is 75mm

20

Inner diameter is 100mm

...

...

Suffix code

M

Machine-machined brass cage


Series of thrust ball bearings

Standard Cage for Thrust Ball Bearings

Notices

Rolling bearings are precision components and should be used with great care. Even high-quality bearings will not achieve the desired effect if used improperly. The following are precautions for bearing use:

(1) Keep the bearing and its surrounding environment clean: Even tiny dust particles invisible to the naked eye can have adverse effects on the bearing. Therefore, keep the surrounding area clean to prevent dust from entering the bearing;

(2) Use with care: Strong impacts on the bearing during use can cause scratches or indentations, leading to accidents.

In severe cases, it can cause cracks and breaks, which must be taken seriously;

(3) Use special bearing tools: Special tools must be used and cannot be arbitrarily substituted;

(4) Prevent bearings from rusting: When operating bearings, hand sweat can cause rusting, so be sure to use clean hands, wear gloves, and be aware of corrosive gases.

Technical Specifications

SpecificationValue
BrandSKF
CategorySingle-Direction Thrust Ball Bearing
Inner Diameter (mm)45
Outer Diameter (mm)85
Width (mm)28

Plain language sourcing guide for SKF thrust ball bearing, one-way, 51309

Start with the full model name. Check the brand name. Check the part number. Check the code on the old unit. These small checks help you avoid a wrong order.

Take one clear photo of the front label. Take one photo of the side label. If the part has a cable, plug, port, seal, coil, or screen, take a photo of that area too.

Tell us the quantity you need. Tell us your country. Tell us the date when the plant needs the part. We can then check stock, lead time, safe packing, and the best shipping plan.

If the exact model is no longer made, do not guess. Send the old model and the use case. LEHIY can compare close options and explain which choice is safer for repair work.

Use simple order notes. Write the model in one line. Write the quantity in one line. Write the delivery country in one line. This helps our team reply faster.

Check the old part before removal. Look at the label. Look at the connector. Look at the mounting size. Look at the voltage or pressure rating if it is shown.

Do not rely on a short nickname for a part. Many industrial items have close versions. A small suffix can change the plug, output, range, or software setting.

Ask for a stock check if the plant is stopped. Ask for a lead time if the order is planned. Ask for packing photos if the part is fragile or heavy.

For a replacement order, tell us what failed. Tell us where the part is used. Tell us if an equal model is acceptable. This makes the first answer more useful.

For repeat orders, send the last invoice, old label, or old packing photo. The same reference can help us match the correct product again.

For urgent service, keep the message simple. One model, one quantity, one photo, and one delivery target are enough for a fast first check.

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Brand Name:SKFCertification:ISO9001, CE
Place of Origin:ChinaCondition:New
Warranty:1 yearCustomized sourcing:available

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Replacement support

SKF thrust ball bearing, one-way, 51309

Send the brand, model, part number, quantity, nameplate photos, and application requirements. LEHIY will check availability, suitable alternatives, packing details, and delivery options before quoting.

For discontinued, temporarily unavailable, or configuration-sensitive items, our team can compare the requested model with close variants or compatible replacements for maintenance and spare parts planning.

Use this page as a practical sourcing note for engineers, buyers, and maintenance teams comparing automation components. Check the model name, brand, LEHIY code, application, and replacement requirements before sending an inquiry.

Short, clear information helps our team confirm availability faster and reduce back-and-forth communication during urgent maintenance projects.

  • Confirm the complete model number and any suffix printed on the nameplate.
  • Share quantity, destination country, preferred shipping method, and target delivery date.
  • Include photos, drawings, old purchase records, or datasheets when compatible alternatives are acceptable.
  • Ask for stock checking, replacement comparison, packing details, and export documentation before ordering.

Useful details for a faster quote

  • Complete model and part number
  • Required quantity and target delivery date
  • Nameplate photos, drawings, or old purchase records
  • Voltage, signal range, dimensions, or accessory needs
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SKF thrust ball bearing, one-way, 51309 verification notes

Please send the full model number, quantity, target delivery date, and nameplate photos. These details help us check the requested product or a close replacement.

LEHIY reviews product name, part number, series, label information, and application requirements before shipment.

If the original model is discontinued or supplied with different accessories, we can explain practical differences before quoting.

For repeat purchasing, we can help organize related models, replacement parts, shipment schedules, and clear communication for your team.

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