SKF deep groove ball bearing, miniature, iron cap seal, 619/5-2Z
LEHIY item code: LH-SKF-2116
Quick buying check
This page helps you check SKF deep groove ball bearing, miniature, iron cap seal, 619/5-2Z before you ask for a quote.
Confirm the brand, model number, part number, and quantity. Share a clear nameplate photo when the old item has close variants.
LEHIY can check stock, lead time, packing, shipping documents, and safe replacement options for maintenance orders.
**Product Overview** **Deep Groove Ball Bearing Introduction** **Deep groove ball bearings have a wide range of applications. Their simple, non-separable design makes them suitable for high-speed and even ultra-high-speed operation. They are also very durable and require minimal maintenance. Deep groove ball bearings are the most widely used type of bearing, available in various designs, variations, and sizes.** **Precautions:** **1. The maximum misalignment a deep groove ball bearing can withstand is 10 arc minutes.** **2. The maximum axial force a deep groove ball bearing can withstand is 1/10 to 1/5 of the basic radial dynamic load rating.**
3. When selecting deep groove ball bearings, the "minimum load required" must be considered. The ball bearing needs to reach 0.01C (basic rated dynamic load). If the minimum load cannot be reached, the bearing will slip during operation.
Therefore, a larger bearing does not necessarily mean greater reliability or longer lifespan.
Installation Methods:
Generally, there are two types: cold press mounting and hot mounting.
Cold mounting: The bearing is installed on the shaft or housing using mechanical force. The basic principle is that the rolling elements should not be subjected to force during installation to prevent "pseudo-Britt indentation," which generates noise during operation.
Hot mounting: Utilizing the thermal expansion and contraction properties of metal materials, the bearing is heated to a certain temperature before being installed on the shaft.
This method is simple and quick, and can achieve a large interference fit, making it recommended by many bearing manufacturers.For purchasing bearing installation and disassembly tools, please see the bearing tools/accessories section on the Xiyu website:
http://www.ehsy.com/category-13387
Frequently Asked Questions:
1. Deep groove ball bearings produce noise after installation, or they may even seize up and fail to rotate.
Answer: This is mainly a fit issue. If the bearing still has a large internal clearance after installation and operation, it will produce noise.
Conversely, if the internal clearance of the bearing is too small after installation, it will cause the bearing to seize. When selecting bearings, pay attention to the bearing clearance set. For motor applications, NSK's CM motor-specific clearance set is recommended.2. Why is the speed of SKF deep groove ball bearings lower than other brands?
Answer: The maximum speed a bearing can reach is related to its operating conditions. Generally, a larger bearing clearance, nylon plastic cage, and adequate heat dissipation and lubrication will greatly increase the maximum speed the bearing can reach.
The bearing speed and rated dynamic load C value indicated in the SKF catalog are more conservative than other brands.
3. Does a larger deep groove ball bearing have a higher safety factor and a longer service life?
Answer: The lifespan of a bearing is affected by many factors, such as selection, installation, and maintenance.
When selecting a deep groove ball bearing, it's essential to meet the minimum load requirement (0.01C) to achieve stable operation. Therefore, choosing a "suitable" bearing is more scientific than choosing a "larger" one. The lifespan of self-lubricating, maintenance-free deep groove ball bearings is largely limited by the type of grease used. For special greases, please consult customer service.Recommended Tolerance Fits:
Deep Groove Ball Bearing Radial Clearance List:
The axial clearance of a deep groove ball bearing needs to be calculated and is generally 10 times the radial clearance.
Selection Data
Notes:
1. Bearings with three-digit model numbers starting with 6 are miniature deep groove ball bearings. Their inner diameter, width, and other designations can be referenced from those of general ball bearings;
3. 42 or 43 The first one is a double-row deep groove ball bearing.
Other common suffix codes:
Product Details
Details| Prefix | |||
| W | Stainless steel, metric size | ||
| Suffix - Internal Design | |||
| A, AA, C, D | Improved or slightly modified internal design | ||
| Suffix - External Design (Seals, Retaining Grooves) | |||
| -RS1 | Contact NBR Seal on One Side | ||
| -RSH | Contact NBR Seal on One Side | ||
| -RSL, -2RSL | NBR Low Friction Seal on One or Both Sides | ||
| -RZ, -2RZ | Non-Contact NBR Seal on One or Both Sides | ||
| -Z | One side with dust cover | ||
| -ZNR | One side with dust cover, outer ring with stop groove, stop ring on the other side of the dust cover | ||
| Suffix - Cage Design | |||
| M | Machine-machined brass cage, ball-guided; different designs and materials are indicated by a number after M, such as M2 | ||
| MA(S) | TN9 | Glass fiber reinforced PA66 cage, steel ball guide | |
| Suffix - Accuracy, Clearance, Preload, Quiet Operation | |||
| P5 | P5 grade dimensions and running tolerances | ||
| P6 | P6 grade dimensions and running tolerances | ||
| P52 | P5 + C2 | ||
| P62 | P6 + C2 | ||
| P63 | P6 + C3 | ||
| Suffix - Stability | |||
| S0 | S1 | The bearing rings maintain dimensional thermal stability at operating temperatures ≤200℃ (390°F). | |
| Suffix - Lubrication | |||
| GJN | Polyurea-based grease, NLGI consistency 2, temperature range -30 to +150 °C (standard fill weight) | ||
| Polyurea-based grease, NLGI consistency 2, temperature range -40 to +150 °C (standard fill weight) | |||
| LHT23 | Lithium-based grease, NLGI consistency 2, temperature range -50 to +140 °C (standard fill weight) | ||
| MT33 | Lithium-based grease, NLGI consistency 3, temperature range -30 to +120 °C (standard fill weight) | ||
| Lithium-based grease, NLGI consistency 2, temperature range -30 to +110 °C (standard fill weight) | |||
| WT | Polyurea-based grease, NLGI consistency 2, temperature range -40 to +160 °C (standard fill weight) | ||
| Suffix - Other variants | |||
| VP311 | SKF food grade bearings. | Blue contact seals are made from FDA and EC approved NBR and NSF-registered Class H1 lubricant (GFJ).||
| VQ658 | Silent operation | ||
| VL0241 | Outer ring with insulating coating | ||
| VL2071 | Inner ring with insulating coating |
Dust cover: Bearings with dust covers are mainly used in applications where the inner ring rotates. The dust cover is installed in the outer ring and does not contact the inner ring, but a very small gap is formed between them. The dust cover is made of stamped steel. For stainless steel bearings, stainless steel dust covers are used. SKF offers dust covers of different designs depending on the bearing design, series, and size. As follows:
|
Notices
Note:
Installation Methods:
|
Technical Specifications
| Specification | Value |
|---|---|
| Brand | SKF |
| Category | Deep Groove Ball Bearings |
| Sealed dust cover | Iron cover seal |
| With flange | No |
| Inner diameter (mm) | 5 |
| Outer diameter (mm) | 13 |
Plain language sourcing guide for SKF deep groove ball bearing, miniature, iron cap seal, 619/5-2Z
Start with the full model name. Check the brand name. Check the part number. Check the code on the old unit. These small checks help you avoid a wrong order.
Take one clear photo of the front label. Take one photo of the side label. If the part has a cable, plug, port, seal, coil, or screen, take a photo of that area too.
Tell us the quantity you need. Tell us your country. Tell us the date when the plant needs the part. We can then check stock, lead time, safe packing, and the best shipping plan.
If the exact model is no longer made, do not guess. Send the old model and the use case. LEHIY can compare close options and explain which choice is safer for repair work.
Use simple order notes. Write the model in one line. Write the quantity in one line. Write the delivery country in one line. This helps our team reply faster.
Check the old part before removal. Look at the label. Look at the connector. Look at the mounting size. Look at the voltage or pressure rating if it is shown.
Do not rely on a short nickname for a part. Many industrial items have close versions. A small suffix can change the plug, output, range, or software setting.
Ask for a stock check if the plant is stopped. Ask for a lead time if the order is planned. Ask for packing photos if the part is fragile or heavy.
For a replacement order, tell us what failed. Tell us where the part is used. Tell us if an equal model is acceptable. This makes the first answer more useful.
For repeat orders, send the last invoice, old label, or old packing photo. The same reference can help us match the correct product again.
For urgent service, keep the message simple. One model, one quantity, one photo, and one delivery target are enough for a fast first check.
Share Article
| Brand Name: | SKF | Certification: | ISO9001, CE |
|---|---|---|---|
| Place of Origin: | China | Condition: | New |
| Warranty: | 1 year | Customized sourcing: | available |
What are your strengths?
Ans. LEHIY specializes in industrial automation and control components, offering fast sourcing, stable quality, and competitive prices for global customers.
What is your estimated delivery time?
Ans. Most items ship within 3-7 days. Customized or rare models may take 10-30 working days.
What are your primary product offerings?
Ans. Our main products include PLCs, sensors, valves, solenoid valves, actuators, power modules, transmitters, and complete industrial automation solutions.
How can I get in touch with you?
Ans. You can reach us anytime via Email, WhatsApp, LinkedIn, or our contact page. Our sales engineers respond quickly and provide technical support when needed.
What are your payment terms?
Ans. Standard terms are 50% TT in advance and 50% balance before delivery. We also support Alibaba Trade Assurance and L/C for qualified orders.
Feel free to Ask questions
Replacement support
SKF deep groove ball bearing, miniature, iron cap seal, 619/5-2Z
Send the brand, model, part number, quantity, nameplate photos, and application requirements. LEHIY will check availability, suitable alternatives, packing details, and delivery options before quoting.
For discontinued, temporarily unavailable, or configuration-sensitive items, our team can compare the requested model with close variants or compatible replacements for maintenance and spare parts planning.
Use this page as a practical sourcing note for engineers, buyers, and maintenance teams comparing automation components. Check the model name, brand, LEHIY code, application, and replacement requirements before sending an inquiry.
Short, clear information helps our team confirm availability faster and reduce back-and-forth communication during urgent maintenance projects.
- Confirm the complete model number and any suffix printed on the nameplate.
- Share quantity, destination country, preferred shipping method, and target delivery date.
- Include photos, drawings, old purchase records, or datasheets when compatible alternatives are acceptable.
- Ask for stock checking, replacement comparison, packing details, and export documentation before ordering.
Useful details for a faster quote
- Complete model and part number
- Required quantity and target delivery date
- Nameplate photos, drawings, or old purchase records
- Voltage, signal range, dimensions, or accessory needs
Model matching
We review brand, model, part number, nameplate photos, installation environment, and replacement requirements.
Quality and delivery
Each order can be checked for authenticity, condition, packing, warranty, shipping method, and delivery schedule.
Stock alternatives
For urgent maintenance projects, we can help check stock, compatible alternatives, and fast international shipment.
SKF deep groove ball bearing, miniature, iron cap seal, 619/5-2Z verification notes
Please send the full model number, quantity, target delivery date, and nameplate photos. These details help us check the requested product or a close replacement.
LEHIY reviews product name, part number, series, label information, and application requirements before shipment.
If the original model is discontinued or supplied with different accessories, we can explain practical differences before quoting.
For repeat purchasing, we can help organize related models, replacement parts, shipment schedules, and clear communication for your team.
Related Products
Helpful links
Explore More
Trusted partners
We have collaborated with many well-known enterprises, contributing to their success and establishing a strong reputation as a trusted partner in the industry.
