Wholesale High Precision Mechanical Industrial Pump Bearing

Product Description

Engineered for Heavy Loads

Ideal for extreme applications like shield machines and mining conveyors, the TFL Imperial Tapered Roller Bearing excels with radial and axial loads. Its tapered raceway ensures even force distribution, preventing premature wear. Made from high-cleanliness chrome steel and fully heat-treated, it resists fatigue under shock. Available in single, double, and four-row configurations, it offers flexibility for specific load and space needs.

Precision & Operational Efficiency

Precision-ground raceways and optimized roller profiles minimize friction, resulting in cooler temperatures, higher speeds, and lower energy use. Precision grades P0, P6, and P5 cater to varying accuracy needs. Separable rings simplify assembly and replacement, reducing downtime. A full range of inch and (LM, HM, L, JL series) ensures replacement bearings are available for all equipment.

Bearing installation tips: 

1.No knock the bearing; 

2. It is recommended to replace the hub bearing coaxial; 

3.Bearing with magnetic coding ring can not be inverted; 

4.Do not attempt to disassemble the hub bearing or adjust the seal ring of the hub unit; 

5. Do not touch the magnetic coding ring of the bearing, the bearing needs to be kept away from the magnetic field; 
6.In any case, it is necessary to use the correct method to assist the appropriate tools for installation; 

6. The construction should be carried out in a dry and clean environment, and the bearing should not be unpacked before installation.

Technical Notes

Bearing No	d	D	B
90381/90744	96.838	188.921	50.8
JM822049/JM822010	110	165	35
71450/71750	114.3	190.5	47.625
HH224346/HH2243010	114.3	212.75	66.675
71453/71750	115.087	190.5	47.625
HH228344/HH228310	123.825	254	77.788
HH228349/HH228310	127	254	77.788
EE420751/421437	190.5	365.049	92.075
JHM840449/JHM840410	200	300	65
HH249949/HH249910	247.65	406.4	115.888
53830/P6	381	479.425	49.213
EE243196/243250	498.475	634.873	80.962
LL778149/LL778110	584.2	685.8	49.212
L183448/L183410	759.925	889	88.9
L183449/L183410	762	889	88.9
EE763330/763410	838.2	1041.4	93.622

Why Choose Us

OEM & Cross-Reference

FAQ

Q1: What quality certifications do your manufacturing facilities hold?
A: Quality is our top priority. All our production bases operate strictly under the ISO 9001:2015 Quality Management System for standard industrial manufacturing. Furthermore, for high-precision and automotive-grade bearings, our facilities are fully certified with IATF 16949. This ensures rigorous defect control, continuous improvement, and world-class reliability for every bearing you receive.

Q2: Do you accept OEM/ODM? Can you produce non-standard bearings?
A: Absolutely. Non-standard customization is one of our core strengths. Just send us your technical drawings, dimensions, or physical samples. Furthermore, we fully support brand customization, including laser marking on bearings and designing custom color boxes to help build your brand identity.
 
Q3: How do you guarantee the bearing quality? Do you accept 3rd-party inspections?
A: We stand behind our quality with a solid 12-Month Warranty from the date of arrival. Any manufacturing defects will be replaced for free. For your complete peace of mind, we 100% welcome Third-Party Inspections (such as SGS, Intertek, or BV) before shipment.
 
Q4: What are your shipping methods?
A: We offer flexible and cost-effective shipping options based on your timeline and budget:
Sea Freight (FCL/LCL): Best for bulk orders (most economical).
Air Freight: Fast delivery for urgent medium-sized orders.
International Express (DHL/FedEx/UPS): Door-to-door service for samples and small parcels.
(We can quote EXW, FOB, CIF, or DDP depending on your needs).
 
Q5: Can I get free samples before placing a bulk order?
A: Yes! We provide FREE samples for standard bearing models so you can test our quality firsthand. You only need to cover the initial international shipping cost, which will be refunded to you when you place your first official bulk order.
 
Q6: What is your standard lead time? 
A: In-stock standard models: Dispatched within 3 to 7 days.
Customized or out-of-stock items: Usually 15 to 30 days, depending on the order quantity and complexity. We always prioritize meeting your project deadlines.