支承滚轮轴承 Yoke Type Track Roller Bearings NATR NATV 系列

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轴径	型号	重量	型号	重量	尺寸						基本额定载荷		极限转速
Shaft	Designation	Mass	Designation	Mass	Dimensions						Basic Load Ratings		Limiting
Diameter					d	D	B	C	d1	r	动  Cr	静  Cor	Speed
											Dynamic	Static	grease
mm		g		g						min.	kN	kN	rpm
5	NATR  5	14	NATR  5PP	14	5	16	12	11	12	0.15	2.8	2.5	14000
	NATV  5	15	NATV  5PP	15	5	16	12	11	12	0.15	7.0	8.6	3800
6	NATR  6	20	NATR  6PP	20	6	19	12	11	14	0.15	3.2	3.3	11000
	NATV  6	21	NATV  6PP	21	6	19	12	11	14	0.15	7.9	10.7	3100
8	NATR  8	41	NATR  8PP	41	8	24	15	14	19	0.3	4.8	4.8	7500
	NATV  8	42	NATV  8PP	42	8	24	15	14	19	0.3	10.2	12.9	2500
10	NATR 10	64	NATR 10PP	64	10	30	15	14	23	0.6	6.9	7.0	5500
	NATV 10	65	NATV 10PP	65	10	30	15	14	23	0.6	12.5	15.3	2100
12	NATR 12	71	NATR 12PP	71	12	32	15	14	25	0.6	6.9	7.1	4500
	NATV 12	72	NATV 12PP	72	12	32	15	14	25	0.6	13.3	17.0	1800
15	NATR 15	103	NATR 15PP	103	15	35	19	18	27	0.6	10.3	14.8	3600
	NATV 15	105	NATV 15PP	105	15	35	19	18	27	0.6	19.6	34.7	1600
17	NATR 17	144	NATR 17PP	144	17	40	21	20	32	1.0	18.2	21.9	2900
	NATV 17	152	NATV 17PP	152	17	40	21	20	32	1.0	31.5	45.3	1400
20	NATR 20	246	NATR 20PP	246	20	47	25	24	37	1.0	22.4	29.9	2400
	NATV 20	254	NATV 20PP	254	20	47	25	24	37	1.0	37.7	59.1	1300
25	NATR 25	275	NATR 25PP	275	25	52	25	24	42	1.0	24.0	34.2	1800
	NATV 25	285	NATV 25PP	285	25	52	25	24	42	1.0	43.0	73.6	1000
30	NATR 30	470	NATR 30PP	470	30	62	29	28	51	1.0	32.9	50.3	1300
	NATV 30	481	NATV 30PP	481	30	62	29	28	51	1.0	57.1	104.0	850
35	NATR 35	635	NATR 35PP	635	35	72	29	28	58	1.1	34.4	55.8	1000
	NATV 35	647	NATV 35PP	647	35	72	29	28	58	1.1	59.3	114.5	750
40	NATR 40	805	NATR 40PP	805	40	80	32	30	66	1.1	38.5	66.6	850
	NATV 40	890	NATV 40PP	890	40	80	32	30	66	1.1	70.8	149.1	650
45	NATR 45	910	NATR 45PP	910	45	85	32	30	72	1.1	42.6	77.8	750
	NATV 45	935	NATV 45PP	935	45	85	32	30	72	1.1	74.5	164.4	——
50	NATR 50	960	NATR 50PP	960	50	90	32	30	76	1.1	44.3	85.1	650
	NATV 50	990	NATV 50PP	990	50	90	32	30	76	1.1	78.0	179.8	550

说明：

1.表中所列基本额定载荷、极限转速和重量，仅供选择参考用。

2.轴承的外圆为圆柱面时，在现轴承型号后缀加X，例如：NATR5X或NATR5PPX。

3.油润滑时，极限转速为表列数值增加30%，带密封的情况除外。

Note:

1.These load, speed and mass is reference of choice only.

2.For cylindrical outer race, add the suffix "X", e.g. NATR5X or NATR5PPX.

3.With an effective oil supply, the limiting speed can be increased by about 30%, except for sealed

roller followers.