Authorized SKF Distributor Ball, roller, needle, thrust and mounted bearings for industrial buyers worldwide
Buying for several machines? Add this model to one inquiry with the other SKF bearings, housings and accessories on your list. Each line keeps its own designation, quantity and specification.
Send Your Full ListThe table below lists the designation, category and recorded dimensions for High Precision SKF 3780/3720/Q Tapered Roller Bearing for Industrial Machinery with Iron Cage. Confirm these values against your equipment record before ordering.
| Category | Tapered Roller Bearing |
|---|
| Parameter | Details |
|---|---|
| Model Number | 3780/3720/Q |
| Bearing Type | Tapered Roller Bearing |
| Cage Material | Iron Cage/Brass Cage/Nylon Cage |
| Precision Rating | P0, P6, P5, P4, P2 |
| Rows Number | Single |
| Structure | Taper |
| Aligning Feature | Non-Aligning Bearing |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Lubrication Type | Grease or Oil |
| Seals Type | Zz, 2RS, Open |
| Separated Design | Separated |
| Rolling Body | Roller Bearings |
| Load Direction | Radial Bearing |
| Outer Dimension Range | 35mm-180mm |
| Specification (d x D x B) | 50.8mm * 93.264mm * 30.162mm |
| Origin | Sweden |
| HS Code | 8482200000 |
| Package Size | 10.50cm * 10.50cm * 4.50cm |
| Package Gross Weight | 0.850kg |
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Conveyor systems, gearboxes, rotating shafts |
| Automotive | Transmission assemblies, wheel hubs |
| Mining Equipment | Crushers, conveyors, heavy-duty gearboxes |
| Steel Mills | Rolling mill stands, drive systems |
Industrial machinery operators know the frustration of bearing failures—misalignment issues causing premature wear, imprecise dimensions leading to installation delays, or unreliable suppliers failing to deliver critical replacement parts. When your equipment depends on tapered roller bearings to handle combined radial and axial loads, choosing the right component isn’t just about specs; it’s about minimizing downtime and ensuring long-term performance.
The SKF 3780/3720/Q tapered roller bearing addresses these challenges with precision engineering and versatile design. As a specialized supplier with access to a full range of industrial bearings, we ensure this bearing meets SKF’s rigorous quality standards, with dimensions (50.8mm bore, 93.264mm outer diameter, 30.162mm width) that fit seamlessly into existing machinery setups. Whether used in steel mill gearboxes or mining equipment conveyors, its single-row tapered structure delivers consistent load distribution, while the iron cage option provides durability in high-temperature environments.
This SKF tapered roller bearing excels in applications requiring high radial load capacity and moderate axial load handling. Its non-aligning design suits rigid shaft configurations, while vibration levels (Z1V1 to Z3V3) can be selected based on noise sensitivity—critical for precision machinery in automotive manufacturing or steel processing. The separated inner and outer rings allow for easy mounting and adjustment, making it ideal for maintenance teams needing quick replacements without disassembling entire systems.
Key specifications directly impact performance: The precision rating (from P0 to P2) ensures tight dimensional control—P5 or P4 grades are recommended for high-speed applications where runout must be minimized. The choice of cage material matters too: iron cages offer superior strength for heavy loads, while brass cages reduce friction in high-speed scenarios, and nylon cages provide corrosion resistance in damp environments. Lubrication flexibility (grease or oil) allows adaptation to operating temperatures and speed requirements, ensuring optimal performance across diverse industrial settings.
Choosing a low-quality tapered roller bearing may save upfront costs but often leads to higher long-term expenses. Poorly hardened rollers or inconsistent cage tolerances cause early fatigue, resulting in unplanned downtime, production losses, and damage to adjacent components. The SKF 3780/3720/Q bearing, with its strict quality control and traceable manufacturing process, reduces these risks. By meeting ISO standards for dimensional accuracy and load capacity, it aligns with industry best practices for calculating bearing life, ultimately lowering total cost of ownership through extended service intervals and reliable performance.
Our supply chain ensures authenticity and consistency. All bearings are sourced through established channels, with complete batch traceability and factory documentation. Each unit undergoes dimensional inspection to verify compliance with SKF’s specifications, from bore diameter to roller profile. We provide a warranty against manufacturing defects, giving you confidence in your purchase. With a focus on industrial customers, we maintain inventory of conventional models to support same-day shipping for urgent repairs, minimizing equipment downtime.
Whether you need a single replacement or bulk supply of the SKF 3780/3720/Q tapered roller bearing, we can provide competitive pricing and fast delivery. Share your required quantity, delivery location, and any specific cage or precision requirements, and our technical team will confirm availability and lead time. The sooner you confirm your order, the sooner we can arrange shipping to keep your machinery running.
Q: Do you supply other brands or models of tapered roller bearings?
A: Yes, we offer a full range of bearings from international and domestic brands. We can source specific models based on your requirements for dimensions, load capacity, and application.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (bore, outer diameter, width), and our technical team will cross-reference with SKF specifications to ensure compatibility.
What is your warranty policy for this bearing?
A: We provide a warranty against manufacturing defects. If the bearing fails due to material or production issues within the warranty period, we offer replacement or refund per our terms of sale.
What is the minimum order quantity for this model?
A: We support low minimum orders, including single units, to accommodate maintenance needs and small-scale projects.
How long does shipping take to [my location]?
A: For in-stock items, delivery typically takes 7-15 days to most countries via our global logistics network. Exact timing depends on your location and chosen shipping method.
Can you provide custom packaging or labeling for this bearing?
A: Yes, we offer customized packaging and label printing
Electrical Equipment is an Authorized SKF Distributor that turns mixed equipment lists into itemised, comparable quotes and consolidated supply for industrial plants, maintenance contractors and distributors worldwide.
Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.
One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.
Routine replacement bearings and special-specification models are labelled separately on your quote.
Identification gaps are closed before quoting; any alternative is listed separately for your approval.
These SKF models share the category of High Precision SKF 3780/3720/Q Tapered Roller Bearing for Industrial Machinery with Iron Cage and can be quoted on the same inquiry.
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04 High Precision SKF 3780/3720/Q Tapered Roller Bearing for Industrial Machinery with Iron Cage is specified in the applications below. Open an application to see the matching SKF bearing categories.
Industrial buyers in the USA, Mexico, Oman, France, New Zealand and Brazil source genuine SKF bearings and mixed lists through Electrical Equipment.
"When a critical piece of rotating equipment failed, we needed a mixed SKF list urgently. The supplier consolidated the order, shipped same-day, and the parts were on our plant floor in two days. The equipment was back online before the end of the shift."
Ahmed Al-FarsiFarsi Industrial Services · Oman "We had a bad experience with counterfeit SKF bearings from another supplier. The bearings from skfus.com are genuine, traceable, and the packaging matches SKF's current format. Our reliability team verified the first batch and we now use them as our primary source."
Luis HernandezHernandez Manufacturing · Mexico "The SKF mounted units and insert bearings we ordered for a conveyor upgrade were supplied with the correct housing and locking arrangement. Our maintenance team installed them without modification. No noise, no leaks, no call-backs."
Graham McLeodMcLeod Fabrication · New Zealand These guides cover selection, identification and replacement points relevant to High Precision SKF 3780/3720/Q Tapered Roller Bearing for Industrial Machinery with Iron Cage.
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Read the guideShort answers on identification, mixed orders, quote terms and substitutions at Electrical Equipment.
Send a clear photo of the bearing markings and note which details still need confirming. We close identification gaps, including the exact specification and complete assembly, before you accept a quote. Nothing is substituted to fill a gap.
Yes. Standard, precision and mounted units can sit in one itemised inquiry, with each line keeping its own designation, quantity and specification. Housings and mounting accessories are added when they are part of your supply scope.
Each quote lists the designation, quantity, price and currency, stock availability, estimated lead time and quote validity. Applicable freight or tax terms are stated, and the product documents available for your order are confirmed.
Only with your approval. Any alternative is marked separately on the quote, and every technical change needs sign-off from the buyer before an order is placed.
Send this model alone or with your full SKF list. We verify the identification details on every line first, then issue an itemised written quote with lead time and validity.
