L725349/L725311 Bearing L725349/311 Tapered Roller Bearing
Bore (d): 127mm/ 5 inch
Outer Diameter (D): 171.450mm/ 6.75 inch
Cone Width (B): 25.400mm/ 1 inch
Total Width (T): 18.288mm/ 0.72 inch
Cone Number: L725349
Width Number: L725311
Mass: 1.50kg/ 3.307lb
Working Temperature: –30 °C to +120 °C
L725349/L725311 Bearing Specification:
L725349/L725311 Bearing Bore (d): 127mm/ 5 inch
Outer Diameter (D): 171.450mm/ 6.75 inch
Cone Width (B): 25.400mm/ 1 inch
Total Width (T): 18.288mm/ 0.72 inch
Cone Number: L725349
Width Number: L725311
Mass: 1.50kg/ 3.307lb
Cage: steel cage
Material: chrome steel
Number of Row: single
Category: tapered roller bearing
Precision: standard precision ABEC1, P0
Lubrication: standard grease or oil
Working Temperature: –30 °C to +120 °C
Replacements: L725349-L725311, L725349 – L725311, L725349/11, L725349-20024 / 311-20024, L725349-99401
Key Benefits:
1. High combined load capacity — L725349 – L725311 bearing handles heavy radial loads and significant axial (thrust) loads in one direction.
2. Robust tapered-roller geometry — offers reliable load distribution and strong shaft support under demanding conditions.
3. Separable cup-and-cone design — simplifies mounting, inspection, and replacement for faster maintenance.
4. Hardened bearing-steel rings and rollers — improve wear resistance and extend service life.
5. Steel cage for durability — maintains roller spacing under high speed and shock loads.
6. Precise dimensions and tolerances — ensure accurate fit, alignment, and consistent performance.
7. Flexible mounting options — pair in back-to-back, face-to-face (X/O) or tandem arrangements to control preload and stiffness.
Questions that help when L725349/L725311 and L725349/311 is on the shortlist
When is L725349/L725311 and L725349/311 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 L725349/L725311 and L725349/311 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 L725349/L725311 and L725349/311 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 L725349/L725311 and L725349/311?
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 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
Payment Terms:
We accept T/T, W/U, PAYPAL, L/C etc
Buyer FAQ
Questions buyers ask before choosing the next bearing option
What should I confirm before ordering L725349/L725311 Bearing L725349/311 Tapered Roller Bearing?
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
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