SKF NN 3019 TN9/SP cylindrical roller bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
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Decoding SKF NN 3019 TN9/SP
- NN 30Series
- Cylindrical roller bearings, NN 30 series. Series differ in outside diameter and width even when the bore is the same.
- 19Bore
- Bore 95 mm (19 × 5).
- TN9/SPSuffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
NN 3019 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF NN 3019 TN9/SP belongs to cylindrical roller bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for NN 3019 TN9/SP and any equivalents.
SKF NN series bearings are double-row cylindrical roller units built for high radial capacity and elevated running speeds. Their construction suits arrangements where stiffness and running accuracy matter, such as machine tool spindles and other precision equipment. MR Industrial Accessories LLC supplies this SKF line to customers throughout the United States and in Latin America.
Reading the designation helps you confirm what you are ordering. NN signals a double-row cylindrical roller bearing with a cylindrical bore. TN9 refers to a cage made of glass fiber reinforced polyamide, a combination intended for high speeds and moderate operating temperatures. The /SP marking identifies a special precision execution, where dimensional and running tolerances are held tighter than those of a standard bearing. Part numbers such as NN 3019 TN9/SP and NN 3022 TN9/SP bring these three characteristics together.
Typical installation points include spindle assemblies, milling, grinding and boring heads, measuring instruments and positioning systems that call for accuracy. Metalworking, automotive and capital equipment operations rely on this type of bearing where repeatability of the machining process depends on rigidity.
Selection starts with the radial load the arrangement will see, the speed it will run at and the stiffness the system needs. Fitting should be done with the proper tools and without impacts that could mark the raceways. Use the lubricant specified for the application, keep the supports aligned so no parasitic loads appear, and choose sealing according to the environment; where contamination is present, extra protection is advisable.
Bearings in the NN range can be matched against equivalents from other makers that use the same standardized designation, for instance the NN30..K series. Tolerances and internal clearance still have to be checked, and compatibility tables consulted, rather than assuming that any two bearings with a similar code can be swapped directly.
If you need help identifying the right bearing, send the part number or your application dimensions to MR Industrial Accessories LLC through WhatsApp or email. The team answers promptly, can propose equivalents and assists with the selection.
Dimensions
- Bore
- 95mm
Frequently asked questions
- What does /SP indicate on an SKF bearing?
- /SP marks a special precision execution. Tolerances are held tighter than on a standard bearing, which supports higher running accuracy and reduced vibration in spindle and precision work.
- How does an NN bearing differ from an N bearing?
- NN designates a double-row cylindrical roller bearing; N designates a single-row version. The double-row layout gives more load capacity and stiffness, which suits more demanding arrangements.
- What should I keep in mind when mounting a precision cylindrical roller bearing?
- Work in a clean area, use the correct tools, and apply mounting force to the ring it belongs to. Check alignment before running, and follow the manufacturer's instructions so the bearing is not damaged.