SKF RNAO 6X13X8 TN needle roller bearing

SKF RNAO 6X13X8 TN belongs to needle 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 RNAO 6X13X8 TN and any equivalents.

The RNAO line from SKF covers radial needle roller bearings that run without an inner ring and use a TN plastic cage. They suit spots where radial room is tight and the shaft itself has already been hardened and ground, because the needles roll straight on that surface. Transmissions, machine tools and general industrial equipment are common homes for this design. MR Industrial Accessories supplies this line as one of the brands it carries.

Reading the code helps when you order. The first letter marks a radial bearing, NA signals needle rollers, O means no inner ring, and the closing N tells you the outer ring has a lubrication groove. Then come the dimensions: RNAO 6X13X8 TN gives a 6 mm bore, 13 mm outer diameter and 8 mm width, while RNAO 8X15X10 TN follows the same pattern with 8 mm, 15 mm and 10 mm. The TN suffix points to an injected plastic cage built for moderate heat and higher speeds.

You will find these bearings in machine tools, pumps, compressors, gear units, packaging lines and material handling equipment, wherever the radial envelope is limited. Because there is no inner ring, the shaft serves as the raceway and must meet the required hardness and surface finish. If your shaft is not heat treated, it is worth reviewing a variant that includes an inner ring before you commit.

Selection comes down to radial load, speed and lubrication method. The groove and holes in the outer ring let you feed grease through the housing. Internal clearance and alignment matter as well, since too much misalignment takes life out of the bearing. The TN cage copes well with speed, though the working temperature should be checked. Fit the outer ring with interference and confirm the shaft hardness and grinding before mounting.

Other makers offer needle roller bearings without an inner ring under comparable designations, but codes should not be swapped without checking dimensions, tolerances and cage style. Each manufacturer sets its own suffixes, so the RNAO series from SKF may line up with another brand only after a real comparison. For replacements, matching dimensions and functional data is the safe route. If anything is unclear, send the full part number along with your housing dimensions.

When you need this bearing, message us on WhatsApp or email with the part number RNAO 6X13X8 TN, RNAO 8X15X10 TN or whatever appears on your equipment. The team at MR Industrial Accessories helps you pick the right option and can also suggest equivalents. Send your part number and we will get back to you with a quote.