Cylindrical roller bearing N218 For explosion-proof motors
|Bore Size:90,||Outside Diameter:160,||Precision Rating:P0 P6 P5 P4 P2|
|Seals Type:Open||Number of Row:Single Row|
Cylindrical Roller Bearings are bearing in which cylinders are used as the rolling elements as opposed to balls in ball bearings. As such, the rollers have a greater (linear) contact area with the outer ring and are distribute loads across a broader surface. Subsequently, they have a relatively high radial load capacity and are suitable for high speeds. Double-row cylindrical roller bearings have high radial rigidity and are used primarily for precision machine tools.
There are different types designated NU, NJ, NUP, N, NF for single-row bearings, and NNU, NN for double-row bearings depending on the design or absence of side ribs. AST’s cylindrical roller bearings come in the following series with various cage designs and Metric dimensions:
All types of bearings Cylindrical roller bearings Reference Series models:
|NJ 2319 ECML *||NUP 2320 ECP *||NU 222 ECM *|
|NJ 2319 ECP *||NU 420||NU 222 ECML *|
|NU 2319 ECJ *||NU 420 M||NU 222 ECP *|
|NU 2319 ECKJ *||CRL 32 AMB||NUP 222 ECML *|
|NU 2319 ECML *||CRM 32 AMB||NUP 222 ECP *|
|NU 2319 ECP *||NU 1021 M||NJ 2222 ECJ *|
|NUP 2319 ECJ *||NU 1021 ML||NJ 2222 ECML *|
|NUP 2319 ECML *||N 221 ECP *||NJ 2222 ECP *|
|NUP 2319 ECP *||NJ 221 ECJ *||NU 2222 ECJ *|
|NU 419 M||NJ 221 ECML *||NU 2222 ECML *|
|NU 1020 ML||NJ 221 ECN2ML *||NU 2222 ECN1ML *|
|N 220 ECP *||NJ 221 ECP *||NU 2222 ECNML *|
|NJ 220 ECJ *||NU 221 ECJ *||NU 2222 ECP *|
|NJ 220 ECM *||NU 221 ECML *||NUB 222 ECJ|
|NJ 220 ECML *||NU 221 ECP *||NUP 2222 ECML *|
|NJ 220 ECP *||NUP 221 ECML *||NJ 2322 ECMA *|
|NU 220 ECJ *||NUP 221 ECP *||NJ 2322 ECP *|
|NU 220 ECM *||N 321 ECP *||NU 2322 ECKMA *|
|NU 220 ECML *||NJ 321 ECJ *||NU 2322 ECMA *|
|NU 220 ECP *||NJ 321 ECML *||NU 2322 ECP *|
|NUP 220 ECML *||NJ 321 ECP *||NJ 2228 ECML *|
|NUP 220 ECP *||NU 321 ECJ *||NU 2228 ECML *|
|NJ 2220 ECJ *||NU 321 ECML *||NUP 2228 ECML *|
|NJ 2220 ECM *||NU 321 ECP *||NJ 328 ECJ *|
|NJ 2220 ECML *||NU 421 M||NJ 328 ECM *|
|NJ 2220 ECP *||NU 1022 M||NJ 328 ECML *|
|NU 2220 ECJ *||NU 1022 ML||NJ 328 ECNML *|
|NU 2220 ECM *||N 222 ECM *||NU 328 ECJ *|
|NU 2220 ECML *||N 222 ECP *||NU 328 ECM *|
|NU 2220 ECNML *||NJ 222 ECJ *||NU 328 ECML *|
NU Series - Are single row cylindrical roller bearings and have two fixed ribs on the outer ring and one smooth inner ring. This design allows an axial displacement in certain limits, of the shaft in relation to the housing. Therefore, NU Series rolling bearings are used in non-locating bearing units. Also, the NU Series bearings have no virtually thrust capacity.
N Series - Bearings of N design are single row cylindrical roller bearing and have two fixed ribs on the inner ring that retain the rollers and cage and one smooth outer ring. This design allows an axial displacement in certain limits, of the shaft in relation to the housing. Therefore, N Series rolling bearings are used in non-locating bearing units. Also, the N Series bearings have virtually no thrust capacity.
NJ Series - Are single row cylindrical roller bearings and have two fixed ribs on the outer ring and a fixed rib on the inner ring which can guide the shaft in a single direction (axially).
NUP Series - Are single row cylindrical roller bearings and have two fixed ribs on the outer ring and, on the inner ring, a fixed rib and a support washer. This way they can be used as locating bearings, guiding the shaft axially in both directions.
NN Series- Bearings of NN design are double row cylindrical roller bearing and have three fixed ribs on the inner ring that retain the rollers and cage and one smooth outer ring. This design allows an axial displacement in certain limits, of the shaft in relation to the housing. Therefore, N Series rolling bearings are used in non-locating bearing units. Also, the NN Series bearings have no virtually thrust capacity.
Packaging & Shipping In order to determine whether removing bearings can be used to check after the bearings clean, carefully check the roller surface, scroll, status of the mating surfaces, wear of the cage, the increase in bearing clearance and there's no falling damage, abnormal size precision. Non-separation of small ball bearings, supporting inner rings with one hand horizontally, rotate the outer ring to confirm in a smooth rotation State. Tapered roller bearings are separable bearings, rolling element and the Raceway in the outer ring can be respectively checked. Larger bearings cannot rotate, check rolling element and the Raceway, cage, sidewall surface appearance. the importance of as high as possible shall be carefully inspected. Our Services
1. More than ten years bearing products exporting experiences.2. OEM order and non-standard bearing order can be accepted.3. Many sizes of bearing are available. Large quantity bearing can be provided. 4. A certain number of free sample can be provide to support our customer's after-sale services and warranty.
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- Jingjiang E-Aasia Bearing Co., Ltd.
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