d: 25.400mm
D: 50.292mm
T: 14.224mm
Mass: 0.13kg/set
Cone: L44643
Cup: L44610
Dynamic load: 32 kN
Static load: 34 kN
L44643 bearing is the cone part of L44643/L44610 bearing.
For L44643/L44610 bearing,
Dimensions: 25.400*50.292*14.224mm (d*D*T)
Mass: 0.13kg/set
Cone: L44643
Cup: L44610
Dynamic load: 32 kN
Static load: 34 kN
Material: AISI 52100 steel
Precision: ABEC1, P0
Seal: Open without seal
Working temperature: -40 °C to 120 °C
Also known as: L44643, L44610, L44643/L44610,L44643 / L44610, L44643-L44610, L44643 – L44610, SET14, set14, 4T-L44643/L44610, 4T – L44643/L44610
| Model Number | Dimensions (mm) | Mass (KG) | ||
| d | D | T | ||
| L44643/L44610 | 25.400 | 50.292 | 14.224 | 0.130 |
| 25877/25821 | 34.925 | 73.025 | 23.812 | 0.470 |
| HM89446/HM89410 | 34.925 | 76.200 | 29.370 | 0.650 |
| L44642/L44610 | 25.400 | 50.292 | 14.224 | 0.120 |
| JLM104948/JLM104910 | 50.000 | 82.000 | 21.500 | 0.420 |
| JLM506849/JLM506810 | 55.000 | 90.000 | 23.000 | 0.556 |
| M88046/M88010 | 31.750 | 68.263 | 22.225 | 0.390 |
| HM88649/HM88610 | 34.925 | 72.233 | 25.400 | 0.489 |
| M88043/M88010 | 30.163 | 68.263 | 22.225 | 0.414 |
| LM29749/LM29711 | 38.100 | 65.088 | 19.812 | 0.250 |
| M84548/M84510 | 25.400 | 57.150 | 19.431 | 0.244 |
| M86649/M86610 | 30.162 | 64.292 | 21.433 | 0.336 |
| HM89449/HM89410 | 36.512 | 76.200 | 29.370 | 0.626 |
| M802048/M802011 | 41.275 | 82.550 | 26.543 | 0.641 |
| 15101/15245 | 25.400 | 61.999 | 19.050 | 0.290 |
| 15103/15243 | 26.157 | 61.913 | 19.050 | 0.290 |
| 580/572 | 82.550 | 139.700 | 36.512 | 2.190 |
| 582/572 | 82.550 | 139.992 | 36.512 | 2.200 |
| 594A/592A | 95.250 | 152.400 | 39.688 | 2.550 |
| 598A/592A | 92.075 | 152.400 | 39.688 | 2.630 |
| 663/653 | 82.550 | 146.050 | 41.275 | 2.790 |
| 3782/3720 | 44.450 | 93.264 | 30.162 | 0.959 |
| 28682/28622 | 57.150 | 97.630 | 24.608 | 0.749 |
| 39590/39520 | 66.675 | 112.712 | 30.162 | 1.280 |
| 45280/45220 | 44.450 | 104.775 | 30.162 | 1.330 |
| 45284/45220 | 50.800 | 104.775 | 30.162 | 1.240 |
| 47686/47620 | 82.550 | 133.350 | 3.338 | 1.720 |
1. Regular Inspection
Periodically check set14 bearings for signs of wear, corrosion, or damage. Early detection can prevent costly breakdowns.
2. Proper Lubrication
Use the recommended type and amount of lubricant. Over-lubrication or under-lubrication can both lead to premature bearing failure.
3. Cleanliness is Key
Keep the 4T – L44643/L44610 bearing and surrounding area clean. Contaminants like dust, dirt, and moisture can cause significant damage.
4. Correct Installation
Ensure bearings are installed using the proper tools and techniques. Misalignment or improper fitting can reduce bearing life.
5. Avoid Overloading
Operate within the bearing’s specified load limits. Excessive loads can cause overheating and early failure.
6. Monitor Operating Temperature
Abnormal temperature increases can indicate issues such as insufficient lubrication or excessive load. The L44643/L44610 bearing is designed to operate within a temperature range of -40 °C to 120 °C.
7. Check for Unusual Noises or Vibrations
Listen for any unusual sounds or vibrations during operation, as these can be early signs of problems.
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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