Cylindrical Roller Bearings RN303EM

Cylindrical roller and raceway for line contact bearing.
Large load capacity, mainly bearing radial load.
The friction between rolling body and ring retaining edge is small, suitable for high speed rotation.
According to whether the ring has a side, it can be divided into NU, NJ, NUP, N, NF and other single-row cylindrical roller bearings, and NNU, NN and other double-row cylindrical roller bearings.
The bearing is a detachable structure with inner and outer rings.

Description

Product Name	Cylindrical Roller Bearings RN303EM
Material	Chrome Steel
Inside diameter	20-190mm
Outside Diameter	45-400mm
cage	brass,steel
Packing	According to the buyer requests for packaging

Designation	Old Model	Principal Dimension			Basic Load Ratings（KN）		Speed ratings(r/min)		Weight (kg)
Designation	Old Model	d	D	B	Cr	Cor	Grease	Oil	Weight (kg)
RN304EM	502304EH	20	44.5	15	37.5	27	17200	11900	0.159
RN305EM	502305EH	25	44.5	17	49	37.5	21500	10100	0.201
RN306EM	502306EH	30	53	19	61	48	18500	9500	0.41
RN307EM	502307EH	35	62	21	76	63	16400	7900	0.56
RN308EM	502308EH	40	68.2	23	96	79	14200	7100	0.815
RN309EM	502309EH	45	77.5	25	116	99	13000	6400	0.893
RN310EM	502310EH	50	86.5	27	131	114	11600	6000	1.32
RN311EM	502311EH	55	95	29	159	139	10400	5500	1.77
RN312EM	502312EH	60	104.5	31	177	157	9600	5200	2.12
RN313EM	502313EH	65	113	33	214	191	8800	4800	2.53
RN314EM	502314EH	70	121.5	35	242	222	8200	4500	3.09
RN315EM	502315EH	75	130	37	285	265	7600	4150	3.96
RN316EM	502316EH	80	139.5	39	300	275	7200	4100	4.58
RN317EM	502317EH	85	147	41	340	325	6800	4000	5.38
RN318EM	502318EH	90	156	43	370	350	6300	3800	6.1
RN319EM	502319EH	95	165	45	390	380	6100	3500	7.06
RN320EM	502320EH	100	173.5	47	450	425	6000	3300	8.85
RN321EM	502321EH	105	185.5	49	480	485	5800	3200	10.6
RN322EM	502322EH	110	195	50	520	510	5500	3100	12.1
RN324EM	502324EH	120	207	55	610	600	5000	2950	15.9
RN326EM	502326EH	130	226	58	720	720	4550	2650	18
RN328EM	502328EH	140	243	62	790	800	3950	2170	22
RN330EM	502330EH	150	260	65	900	930	3650	1940	27.8
RN332EM	502332EH	160	277	68	860	1060	3000	1770	32.6
RN334EM	502334EH	170	292	72	960	1210	2800	1610	38.4
RN336EM	502336EH	180	310	75	1020	1290	1500	2200	42.7
RN338EM	502338EH	190	400	78	1140	1500	1400	2000	50.3