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.
Is NTN a good bearing?
In testing the NTN bearings are generally the best irrespective of which seal is put on them. Their technical support is also very good (especially in the UK). The vast majority of NTN’s 6000 series bearings are made in Japan and they are sticklers for quality control. The only issue with NTN is supply.
What is the ID of a 6205 bearing?
25mm I.D
6205 SKF | SKF Deep Groove Ball Bearing – Plain Race Type, 25mm I.D, 52mm O.D | 286-8022 | RS Components.
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.
How do I know if my NTN Bearing is real?
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.
Who is the best bearing manufacturer?
World’s Top Manufacturers
- SKF.
- NSK.
- TIMKEN.
- THK.
- HWIN.
- IKO.
- KOYO.
What size is 6305 bearing?
The 6305 25 mm Ball Bearing Inner Dimension 25mm X Outer Dimension 62mm X Width 17mm is an open style ball bearing designed for high rotational speeds and high dynamic loads.
What is the difference between C3 and C4 bearings?
C3 – Refers to a “greater than standard clearance”. This is the most common type of bearing, and is the correct choice for the majority of applications. C4 – Refers to “greater than C3 clearance”. Not as common as C3, but often specified in small engine crankshaft bearings.
What makes the NTN Bearing 6205z so special?
This design permits precision tolerances even at high speed operation. Shielded bearings are protected on one, or both sides (suffixes Z and ZZ, respectively) by metal shields fastened to the outer ring. This close clearance labyrinth seal retains the lubricant and prevents the entrance of foreign matter.
Are there any single row radial ball bearings?
Business Prime : For Fast, FREE shipping, premium procurement benefits, and member-only offers on Amazon Business. Try Business Prime free. Single row radial ball bearings are the most widely used bearings and utilize an uninterrupted raceway, which makes these bearings suitable for radial loads, or a combination of thrust and radial loads.
How does NTN Bearings seal the inner ring?
Contact with the inner ring is by sealing lip (Contact Suffix LLU). Or, non-contact with the inner ring is by labyrinth seal (Non-contact Suffix LLB) to provide positive sealing at all times. NTN is one of the three largest bearing companies in the world with more than ninety years of manufacturing expertise in ball bearings.