d 190-280mm
Product Parameter
Designation Mass m Principal dimensions
mm
Fitting dimansion
mm
Basic load ratings
KN
Fatigue limit load
Cur/N
Limiting Speed
nG/min–1
Reference Speed
nB/min–1
Bearing L thrust collar Bearing
≈kg
L thrust collar
≈kg
d D B r
min
r1
min
s1) E F D1
d1
B1 B2 B3 da
min2)
da
max
dc
min
Da
max2)
ra
max
Dyc
Cr
Stc
Cor
NJ340-E-M1 - 58.1 - 200 420 80 5 5 6.3 370 258 351.8 279 - - - 220 255 282 400 4 1180000 1530000 161000 2600 1340
NJ340-E-M1 HJ340-E 58.1 4.94 200 420 80 5 5 - 370 258 351.8 279 18 30 - 220 - 282 400 4 1180000 1530000 161000 2600 1340
NJ2340-EX-M1 - 97.2 - 200 420 138 5 5 11.3 377 253 356.9 276.1 - - - 220 250.7 279 400 4 2040000 2900000 310000 2400 960
NJ2340-EX-M1 HJ2340-EX 97.2 5.28 200 420 138 5 5 - 377 253 356.9 276.1 18 37 - 220 - 279 400 4 2040000 2900000 310000 2400 960
NJ244-E-M1 - 38.7 - 220 400 65 4 4 5.5 358 268 344.9 285.2 - - - 237 265 288 383 3 950000 1320000 134000 2800 1400
NJ244-E-M1 HJ244-E 38.7 3.55 220 400 65 4 4 - 358 268 344.9 285.2 15 25 - 237 - 288 383 3 950000 1320000 134000 2800 1400
NUP244-E-M1 - 39.3 - 220 400 65 4 4 - 358 268 344.9 285.2 - - 10 237 - 288 383 3 950000 1320000 135000 2800 1400
NUP2244-EX-M1 - 63.4 - 220 400 108 4 4 - 367 259 349.4 279.4 - - 14 237 - 282.3 383 3 1630000 2360000 250000 2600 1020
NUP2344-EX-M1 - 124 - 220 460 145 5 5 - 413 277 391.2 302.2 - - 20 240 - 305.1 440 4 2360000 3350000 340000 2200 840
NJ248-E-M1 - 52.5 - 240 440 72 4 4 6 393 293 376.6 312 - - - 257 290 315 423 3 1140000 1600000 163000 2600 1240
NJ248-E-M1 HJ248-E 52.5 4.6 240 440 72 4 4 - 393 293 376.6 312 16 27 - 257 - 315 423 3 1140000 1600000 163000 2600 1240
NJ348-E-M1 - 97 - 240 500 95 5 5 7.4 442 306 421.2 331.3 - - - 260 303 335 480 4 1730000 2280000 221000 2200 1010
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Introduction
features single row cylindrical roller bearing with cage consists of inner ring, outer ring, cylindrical roller and cage components. Both sides of the outer ring are provided with or without a rigid edge, and the inner ring is provided with one or two rigid edges or without a edge. The cage prevents the rollers from contacting each other during rolling. cylindrical roller bearing with cage has good rigidity and can bear high radial load, and because of the cage, it is more suitable for high-speed situation than the bearing with full design. The bearing with suffix e has higher optimized bearing capacity, so it is suitable for higher load conditions. one ring of this kind of bearing can be disassembled for easy installation and disassembly. The inner and outer rings can be tightly matched. single row cylindrical roller bearing with cage can be used as non positioning, semi positioning and positioning bearing. we can provide bearings of various sizes X-life . These bearings are identified in the dimension table. compared with non X-life bearings, the raceways of X-life bearings have smaller surface roughness R a and higher geometric accuracy. Therefore, the X-life bearing of the same size has higher bearing capacity and longer life. In some applications, this means smaller bearings can be used. floating bearing n and Nu cylindrical roller bearings are floating bearings and can only bear radial force. Nu type bearing outer ring with two ribs, inner ring without ribs. The inner ring of n type bearing has two stops, and the outer ring has no stops. the axial displacement of the inner and outer ring relative to the center position is & ldquo; s & rdquo;, and its value is listed in the dimension table. semi positioning bearing NJ cylindrical roller bearing is half locating bearing. Half locating bearing can not only bear high radial load, but also bear unidirectional axial load, so it can locate the shaft in one direction. In the other direction, it can be used as floating bearing. This type of bearing has two stops on the outer ring and one stop on the inner ring. Nu type floating bearing can be combined with a L type inclined retaining ring HJ to form a half positioning bearing unit. However, it is not allowed to use two L inclined retaining rings at the same time ( there is a risk of jamming ) . the relative axial displacement of the inner and outer rings in one direction is & ldquo; s & rdquo;. See the dimension table for the specific values. NUP type and L type inclined retaining ring HJ type cylindrical roller bearing with NJ type are positioning bearings. positioning bearing can not only bear radial force, but also bear bidirectional axial force, so it can realize bidirectional axial positioning of shaft. NUP type cylindrical roller bearing has two retaining edges on the outer ring, one side of the inner ring has a rigid retaining edge, and the other side has a flat retaining ring. NJ type bearing can be combined with a L type inclined retaining ring HJ to form a positioning bearing unit. The outer ring of this bearing unit has two stops, and the inner ring has one stop, L inclined retaining ring is installed on the side of the inner ring without stop. For the parameters of NJ type bearing, L type inclined retaining ring HJ see the dimension table. Bearings and inclined retaining rings of type L need to be ordered separately.

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