High Precision High Speed Low Noise Cylindrical Roller Bearing Nu 307 Nu308e Em Bearing Accessories

• Rolling Body: Roller Bearings
• The Number of Rows: Single
• Outer Dimension: Medium and Large(120-190mm)
• Material: Bearing Steel
• Spherical: Non-Aligning Bearings
• Load Direction: Radial Bearing
• Separated: Separated
• Cage: Brass&Nylon&Pressed Steel
• Raceway: Superfinished
• Heat Treatment: Bainite
• OEM: Available
• Transport Package: Industrial Standard
• Specification: 70x150x35mm
• Trademark: KYJEN/OEM
• Origin: China
• HS Code: 8482500001
• Production Capacity: 10000 PCS/Year

Product Description

Product Description

Cylindrical roller bearings without outer ring capped edge

The NU cylindrical roller bearing has double capped edges on outer ring and without capped edge on inner ring 

The N cylindrical roller bearing has double capped edges on inner ring and without capped edge on outer ring 

The NU and N cylindrical roller bearings, the shaft is allowed two-way displacement toward the bearing box, i.e. the cylindrical roller bearings can bear the change of shaft length due to thermal expansion. Thus It is suitable to serve as a non-fixed bearing. It can bear larger radial load, but cannot take axial load.

 

Cylindrical roller bearings with capped edge on both outer ring and inner

The NJ cylindrical roller bearing has double capped edge on outer ring and single capped edge on inner ring. 

The NF cylindrical roller bearing with the single capped edge on outer ring & double capped edges on inner ring 

The NJ & NF cylindrical roller bearing, the axial-displacement of the shaft or housing on one-direction can be limited. The one-direction axial positioning can be reached. It can burden smaller axial load from one-direction. 

The NUP cylindrical roller bearing with double capped edges on the outer ring & with capped edge on one side of the inner ring, as well as with inner ring loose rib on the other side of the inner ring. The two-way axial positioning toward the shaft can be reached. The bearing can bear two-way axial force. The NUP & N cylindrical roller bearings can be chosen for the structure. The NJ and HJ cylindrical roller bearing with separate thrust collar is similar to the NUP cylindrical roller bearing, it can be used as the fixed (positioning) bearing.

 

Cylindrical roller bearings without inner ring or without outer ring

The RNU cylindrical roller bearing has an outer ring with double capped edges but does not come with inner ring. Such bearing is the NU cylindrical roller bearings without the inner ring 

The RN cylindrical roller bearing has an inner ring with double capped edge but does not come with outer ring. 

The RNU and RN cylindrical roller bearing are used with a component having a limitation on radial dimension. The axial journal or the surface of the housing bore can be used as the raceways. The hardness and the machining precision as well as the surface quality should be same as the raceways of the inner ring and the outer ring.

Boundary dimensions(mm)
d	70
D	150
B	34
rs min	2.1
rs1 min	2.1
Basic load ratings(kN)
Cr	206
Cor	225
Limiting speed(rpm)
Grease	4200
Oil	5000
Mass(Kg)
(Refer.)	3.1

 

  

Bearing No.	Dimensions (Metric)				Approx.	Interchange
	d	F	D	B	Wgt. lbs
NU-301	12	18.5	37	12	0.17	NU 301	R 312 E	-	-	NU 301	NU 301	-
NU-302	15	21	42	13	0.23	NU 302	R 315 E	-	-	NU 302	NU 302	-
NU-303	17	25.1	47	14	0.3	NU 303	R 317 E	A 1303 TS	-	NU 303	NU 303	-
NU-304	20	28.5	52	15	0.37	NU 304	R 320 E	A 1304 TS	MUC 304	NU 304	NU 304	-
NU-305	25	35	62	17	0.62	NU 305	R 325 E	A 1305 TS	MUC 305	NU 305	NU 305	-
NU-306	30	42	72	19	0.92	NU 306	R 330 E	A 1306 TS	MUC 306	NU 306	NU 306	-
NU-307	35	46.2	80	21	1.2	NU 307	R 335 E	A 1307 TS	MUC 307	NU 307	NU 307	-
NU-308	40	53.5	90	23	1.67	NU 308	R 340 E	A 1308 TS	MUC 308	NU 308	NU 308	-
NU-309	45	58.5	100	25	2.19	NU 309	R 345 E	A 1309 TS	MUC 309	NU 309	NU 309	-
NU-310	50	65	110	27	2.89	NU 310	R 350 E	A 1310 TS	MUC 310	NU 310	NU 310	-
NU-311	55	70.5	120	29	3.6	NU 311	R 355 E	A 1311 TS	MUC 311	NU 311	NU 311	-
NU-312	60	77	130	31	4.61	NU 312	R 360 E	A 1312 TS	MUC 312	NU 312	NU 312	-
NU-313	65	83.5	140	33	5.64	NU 313	R 365 E	A 1313 TS	MUC 313	NU 313	NU 313	-
NU-314	70	90	150	35	6.86	NU 314	R 370 E	A 1314 TS	MUC 314	NU 314	NU 314	-
NU-315	75	95.5	160	37	8.13	NU 315	R 375 E	A 1315 TS	MUC 315	NU 315	NU 315	-
NU-316	80	103	170	39	9.84	NU 316	R 380 E	A 1316 TS	MUC 316	NU 316	NU 316	-
NU-317	85	108	180	41	11.34	NU 317	R 385 E	A 1317 TS	MUC 317	NU 317	NU 317	-
NU-318	90	115	190	43	13.45	NU 318	R 390 E	A 1318 TS	MUC 318	NU 318	NU 318	-
NU-319	95	121.5	200	45	15.56	NU 319	R 395 E	A 1319 TS	MUC 319	NU 319	NU 319	-
NU-320	100	129.5	215	47	19.34	NU 320	R 400 E	A 1320 TS	MUC 320	NU 320	NU 320	100 RU 03
NU-321	105	135	225	49	22	NU 321	R 405 E	A 1321 TS	MUC 321	NU 321	NU 321	105 RU 03
NU-322	110	143	240	50	26.23	NU 322	R 410 E	A 1322 TS	MUC 322	NU 322	NU 322	110 RU 03
NU-324	120	154	260	55	32.78	NU 324	R 420 E	A 1324 TS	MUC 324	NU 324	NU 324	120 RU 03
NU-326	130	167	280	58	41.11	NU 326	R 430 E	A 1326 TS	MUC 326	NU 326	NU 326	130 RU 03
NU-328	140	180	300	62	49.45	NU 328	R 440 E	-	MUC 328	NU 328	NU 328	140 RU 03
NU-330	150	193	320	65	66.11	NU 330	R 450 E	-	MUC 330	NU 330	NU 330	150 RU 03
NU-332	160	208	340	68	79.89	NU 332	-	-	MUC 332	NU 332	NU 332	160 RU 03
NU-334	170	220	360	72	94.78	NU 334	-	-	MUC 334	NU 334	NU 334	170 RU 03
NU-336	180	232	380	75	108.34	NU 336	-	-	MUC 336	NU 336	NU 336	180 RU 03
NU-338	190	245	400	78	123.34	NU 338	-	-	MUC 338	NU 338	NU 338	190 RU 03
NU-340	200	260	420	80	140	NU 340	-	-	MUC 340	NU 340	NU 340	200 RU 03
NU-344	220	284	460	88	190	NU 344	-	-	MUC 344	NU 344	NU 344	220 RU 03
NU-348	240	310	500	95	242.22	NU 348	-	-	MUC 348	NU 348	NU 348	240 RU 03
NU-352	260	336	540	102	302.22	NU 352	-	-	MUC 352	NU 352	NU 352	260 RU 03
NU-356	280	362	580	108	368.89	NU 356	-	-	MUC 356	NU 356	NU 356	280 RU 03
NU-360	300	388	620	109	372.577	NU 360	-	-	MUC 360	NU 360	NU 360	300 RU 03

Detailed Photos

 

FAQ

Q: Why did you choose us?

A. We provide the best quality bearings with reasonable price, low friction, low noise and long service life.

B. With sufficient stock and fast delivery, you can choose our freight forwarder or your freight forwarder.

C. The best service provided by a well-trained international sales team.

Q: Do you accept small orders?

Surely, once your bearings are standard size bearings, even one, we will also accept.

Q: How long is your delivery time?

Generally speaking, if the goods are in stock, it is 1-3 days. If the goods are out of stock, it will take 6-10 days, depending on the quantity of the order.

Q: Do you provide samples? Is it free or extra?

Yes, we can provide a small amount of free samples. Do you mind paying the freight?

Q: What should I do if I don't see the type of bearings I need?

We have too many bearing series numbers. Sometimes we can't put them all on web. Just send us the inquiry and we will be very happy to send you the bearing details.

Welcome to contact me anytime!