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
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
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.
1: Submit Your Inquiry
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2: Review Our Quotation
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4: Payment & Fast Dispatch
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Your order ships promptly—typically within 2-5 business days of payment.
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.
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.
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.
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.
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
We accept T/T, W/U, PAYPAL, L/C etc
Buyer FAQ
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.
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.
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.
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.
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
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