Is NTN a good bearing?
NTN is a great Japanese bearing manufacturer. This one was made in China and their steel is not as good and they have no concern for quality. The original was sealed on both sides and this one had only one seal. I took a seal from the original.
What does NTN mean on a bearing?
NTN bearing numbers are compreised of a “basic number” followed by “supplementary codes.” The nomenclature of NTN basic number indicates general information about a bearing, such as its fundamental type, boundary dimensions, series number, bore diameter code and contact angle.
What type of bearing is a pillow block?
A pillow block usually refers to a housing with an included anti-friction bearing, wherein the mounted shaft is in a parallel plane to the mounting surface, and perpendicular to the center line of the mounting holes, as contrasted with various types of flange blocks or flange units.
What is a Type E pillow block bearing?
The PPI Type E pillow block bearing was designed specifically for the challenges of multiple conveyor applications. That’s why our Type E bearing utilizes a double row spherical bearing that makes a misalignment of ± 2 degrees possible.
How can you tell a fake NTN Bearing?
A hologram, with diagonally-placed strips containing the letters “NTN” running continuously along the strips, appears on one edge of the label. On genuine NTN products, these letters change from black to white, and vice versa, when the label is tilted ninety degrees.
How can you tell a fake SKF Bearing?
The packaging is virtually identical and the bearing markings on the fake often look to be better than the original! The only real downfall is in the materials, the fake bearings tend to be softer than the originals and they are dimensionally not as accurate as the original.
What does Lua mean on a bearing?
Light contact rubber seal
Light contact rubber seal. LUA,LLUA: Polyacrylic rubber seal. LUA1,LLUA1: Fluorocarbon rubber seal. Z, ZZ: Shield.
What does 2RS mean on a bearing?
2 rubber seals
The 2RS stands for 2 rubber seals. One on each side of the bearing. So the RS denotes only one side is sealed with a rubber seal and the other is exposed and not sealed. The rubber seal is simply a rubber coating placed over a metal cover to assist in preventing contaminates from entering the bearing.
Are pillow block bearings self-aligning?
There are three main types of roller bearings used for pillow blocks. Spherical-roller bearings are self-aligning, double-row, combination radial and thrust bearings.
What is a Type E bearing?
Heavy Duty Royersford “Type E” Bearings come in a wide range of sizes and styles offering many advantages including high speed suitability, ruggedness, positive locking to the shaft, and at a competitive price. Timken Tapered Roller Bearings are used exclusively in Royersford “Type E” Bearings.
How can you tell a fake SKF bearing?
How big are NTN pillow block bearing units?
Bower Type E units are available in sizes ranging from 1 7/16” to 4 15/16” pillow blocks and either 2-bolt or 4-bolt configurations. NTN’s Bower Type E units have been proven to provide superior performance in demanding industries such as aggregate, wood processing, mining, cement, steel, water treatment, and construction.
Can a pillow block be mounted on a shaft?
This greatly simplifies the mounting and maintenance of the units, as the bearing and sealing elements can be mounted on the shaft first and then simply inserted into the pre-positioned lower section of the housing. These units are compatible with ISO standards 02, 03, 22, 23 and 32 sized self-aligning bearings or roller bearings.
What are the different types of NTN mounted bearing units?
Green Line units’ unmatched selection of housing styles, insert types as standard makes it NTN’s tried and true Mounted Ball Bearing Unit Series. Green Line units are available in both metric and inch shaft sizes throughout our set screw, eccentric, and adapter sleeve inserts.
What kind of lubricant does NTN pillow bearings use?
Bearing inserts are designed with an AISI 302 stainless steel riveted cage which not only helps avoid hydrolysis from cleaning agents, but also allows NTN to offer either premium H1 grease or our proprietary H1 solid lubricant. Our food-grade solid lubricant is perfect for wash-down applications .