43125/43300 Bearing 43125-43300 Tapered Roller Bearing 1.25” Bore

Bearing Cone: 43125
Cup Number: 43300
Bore (d): 1.25”/ 31.75mm
Outer Diameter (D): 3”/ 76.20mm
Cone Width (B): 0.9478”/ 24.074 mm
Bearing Width (T): 0.9688”/ 24.608 mm
Mass: 0.55kg/ 1.21lb
Seal Type: open
Series: inch/ imperial

Description

43125/43300 Bearing Specification:

43125/43300 Bearing Cone: 43125
Cup Number: 43300
Bore (d): 1.25”/ 31.75mm
Outer Diameter (D): 3”/ 76.20mm
Cone Width (B): 0.9478”/ 24.074 mm
Bearing Width (T): 0.9688”/ 24.608 mm
Mass: 0.55kg/ 1.21lb
Seal Type: open
Series: inch/ imperial
Cage: steel
Bearing Material: chrome steel, 52100 steel
Precision: ABEC1 (P0), ABEC3 (P6)
Relubricate Oil Holes: without
Lubrication: grease or oil
Structure: single row taper roller bearing
Precision: ABEC1, ABEC3
Bearing Working Temperature: –30 °C to +120 °C

Technical Advantages:

Superior Load Capacity: Our 43125/43300 bearing set is engineered to handle both radial and axial loads simultaneously, making it ideal for applications requiring multi-directional force management.

Temperature Stability: Engineered to perform reliably across wide temperature ranges (–30 °C to +120 °C), from cold industrial settings to high-heat applications.

Extended Service Life: Premium steel composition and precision manufacturing ensure longer bearing life, reducing maintenance costs and downtime for your operations.

How to Place an Order?

1: Submit Your Inquiry
Send us the bearing specifications you need:

  • Bearing model numbers (e.g., 43125/43300)
  • Required quantity
  • Preferred brands or manufacturers
  • Any OEM replacement references or technical specifications
  • Delivery location and timeline preferences

2: Review Our Quotation
We’ll send you a comprehensive quotation including:

  • Competitive unit pricing
  • Stock availability and lead times
  • Multiple shipping options based on weight and destination
  • Delivery cost estimates
  • Payment terms

3: Approve & Confirm
Once you’re satisfied with the quotation:

  • Confirm your order details
  • We’ll issue a Proforma Invoice (PI)
  • Arrange your preferred payment method

We accept multiple payment options for your convenience.

4: Payment & Fast Dispatch
After payment confirmation:

  • We immediately pick and pack your bearings with care
  • Complete all export documentation and customs clearance
  • Arrange reliable shipping to your location
  • Provide you with tracking information for real-time monitoring

Your order ships promptly—typically within 2-5 business days of payment.

Questions that help when 43125/43300 and 43125-43300 is on the shortlist

When is 43125/43300 and 43125-43300 worth comparing against nearby taper roller bearings options?

Comparison helps when dimensional fit is only part of the decision and load direction, sealing, clearance, speed, temperature, or repeat-order stability still need to be confirmed. Reviewing one or two nearby options early usually reduces sourcing mistakes later.

What details usually matter before approving 43125/43300 and 43125-43300 for repeat supply?

Buyers normally confirm the part reference, main dimensions, application, speed range, operating environment, sealing needs, and any packaging or marking requirements. That gives the supplier a cleaner basis for confirming availability and suitable alternatives.

Which next step usually helps after 43125/43300 and 43125-43300 is shortlisted?

A quick review of Taper Roller Bearings, one more commercial destination, and one practical guide usually saves time. That combination helps separate simple replacement orders from jobs that still need fit or application review.

Why keep a supporting guide linked beside 43125/43300 and 43125-43300?

Because it makes later decisions faster. When sizing notes, application cues, and nearby options stay close to the product, engineering, purchasing, and maintenance teams can revisit the same logic without starting the review from zero.

Shipping & Payment Terms
Shipping Method:

1. Sea shipping for mass cargos (GW > 500KGS)

2. Air shipping (GW between 100KGS – 500 KGS)

3. Express, such as DHL, TNT, Fedex, UPS for small cargos ( GW < 100KGS)

4. If you have shipping agent in China, we can send goods to your shipping agent's warehouse

shipping

Payment Terms:

We accept T/T, W/U, PAYPAL, L/C etc

Payment Terms

Buyer FAQ

Questions buyers ask before choosing the next bearing option

What should I confirm before ordering 43125/43300 Bearing 43125-43300 Tapered Roller Bearing 1.25” Bore?

Confirm the bearing number, bore size, outside diameter, width, seal or shield type, cage material, clearance, precision level, quantity, and application. These details help prevent a size match from becoming a performance mismatch.

Can this bearing be matched for replacement or repeat supply?

Yes. Replacement and repeat orders are easier when the original marking, measured dimensions, photos, application, and quantity are available. If the marking is unclear, the team can start from the size and working condition.

Which product family does this bearing belong to?

This item is handled within the Taper Roller Bearings family. Comparing the family page can help buyers review similar sizes, seal options, load direction, and related bearing choices before requesting a quote.

What affects price and lead time for this bearing?

Price and lead time can change with quantity, stock availability, precision grade, clearance, material, cage, seal or shield type, lubrication, packaging, and whether the order needs standard matching or custom production.

How is this bearing checked before delivery?

Inspection can include material review, dimensional measurement, noise and vibration checks, surface and crack checks, visual review, and packaging inspection according to the confirmed order requirements.

Need help checking fit, price, or lead time? Request a bearing quote