Zhejiang Waxing Electromechanical Co., Ltd is one of the most professional manufacturers and suppliers of nh 215 ec3- cylindrical roller bearing in China. Welcome to buy high quality customized bearings made in China here from our factory. For price consultation, contact us.
Products Description
1. No.:NH 215 EC3
2. Size：75x130x25mm
Weight:1.456kg
Lead time:5-7 business day
3. Type:Cylindrical Roller Bearing
Quality:High Precision Quality
Cylindrical roller bearing feature :
Dimensional Stability
Long Life Even In Contaminated Lubricant
Products Description
Counting from left to right the first or the first and second digits together
"6" means deep groove ball bearing (0 category)
"4" means double row deep groove ball bearings (category 0)
"2" or "1" means self-aligning ball bearings (four numbers in total for the basic model) (category 1)
"21", "22", "23" and "24" represent spherical roller bearings. (3 categories)
"N" indicates cylindrical roller bearings (including short cylindrical rollers and part of slender needle rollers) (Class 2)
"NU" inner ring has no ribs.
"NJ" inner ring single rib.
"NF" outer ring single rib.
"N" outer ring has no ribs.
"NN" double row cylindrical roller, no rib on the outer ring.
"NNU" double row cylindrical rollers, inner ring without ribs.
The length of the roller is at least 5 times the diameter, which is called a needle roller bearing (category 4)
"NA" Turning Cup Needle Roller Bearings
"NK" turning needle roller bearing
"K" needle roller and cage assemblies, without inner and outer rings.
"7" means angular contact ball bearing (category 6)
"3" indicates tapered roller bearings (metric system) (category 7)
"51", "52" and "53" indicate radial thrust ball bearings (five numbers in total for the basic model) (8 categories)
"81" means thrust short cylindrical roller bearing (category 9)
"29" means thrust spherical roller bearing (category 9)
The suffix code is placed behind the basic code. When there are multiple sets of suffix codes, they should be arranged from left to right in the order of the suffix codes listed in the bearing code table. Some suffix codes are separated from the basic code by a small dot.
Suffix code — internal structure
A, B, C, D, E - internal structure changes
Example: Angular contact ball bearings 7205C, 7205E, 7205B, C—15° contact angle, E—25° contact angle, B—40° contact angle.
Example: Cylindrical roller, spherical roller and thrust spherical roller bearings N309E, 21309 E, 29412E - reinforced design, bearing load capacity increased.
VH—— Roller self-locking full complement cylindrical roller bearing (the diameter of the complex circle of the roller is different from the standard bearing of the same type).
DA——Separable double row angular contact ball bearing with double half inner ring. Example: 3306DA.
DZ—— Cylindrical outer diameter roller bearing. Example: ST017DZ.
K—— Tapered bore bearing, taper 1:12. Example: 2308K.
K30- Tapered bore bearing, taper 1:30. Example: 24040 K30.
2LS—— Double row cylindrical roller bearing with double inner ring and dust cover on both sides. Example: NNF5026VC.2LS.V——internal structure change, double inner ring, with dust cover on both sides, full complement double row cylindrical roller bearing.
N——A bearing with a stop groove on the outer ring. Example: 6207N.
NR——A bearing with snap groove and snap ring on the outer ring. Example: 6207 NR.
N2———A four-point contact ball bearing with two stop grooves on the outer ring. Example: QJ315N2.
S——A bearing with lubricating oil grooves and three lubricating oil holes in the outer ring. Example: 23040S. Spherical roller bearings with bearing outer diameter D ≥ 320mm are not marked with S.
X—— Dimensions comply with international standards. Example: 32036X
Z••——Special structure technical conditions. Arranged in descending order from Z11. Example: Z15——stainless steel bearing (W-N01.3541).
ZZ—— roller bearing with two retaining rings that guide the outer ring.
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