Yoke Type Track Roller Bearing

QY961

The Yoke Type Track Roller Bearings is divided into several series such as RSTO, STO, RNA22, NA22, NATR, CRY, NUTR and PWTR. The following is part of the product catalogue.
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The STO type has an inner ring, and the inner and outer rings and their matching needle roller cage assemblies can be installed separately.

The support roller RSTO type does not have an inner ring, and the support roller can run directly on the hardened shaft as the raceway.

Since RSTO and STO type support rollers do not have ribs and end face retaining rings, they must be axially guided during installation, and their guiding surfaces must be at least precision machined.

Without inner ring designation	weight	With inner ring designation	Dimension(mm)						Radial Effective load rating(KN)		Fatigue limit load	Speed (r/min)
Without inner ring designation	g	With inner ring designation	Fw / F	D	C	E	R	r min	Crw (dyn.)	C0rw (stat.)	Curw (KN)	nD G
RSTO5-TV	8.5		7	16	7.8	10	500	0.3	2.55	2.6	0.33	16000
RSTO6-TV	12.5	STO6-TV	10	19	9.8	13	500	0.3	3.75	4.55	0.65	10000
RSTO8-TV	21	STO8-TV	12	24	9.8	15	500	0.3	4.2	5.5	0.78	8000
RSTO10	42	STO10	14	30	11.8	20	500	0.3	8.4	9.3	1.37	5500
RSTO12	49	STO12	16	32	11.8	22	500	0.3	9	10.3	1.53	4500
RSTO15	50	STO15	20	35	11.8	26	500	0.3	9.1	10.9	1.64	3300
RSTO17	88	STO17	22	40	15.8	29	500	0.3	14.2	17.9	2.55	2800
RSTO20	130	STO20	25	47	15.8	32	500	0.3	16.1	21.7	3.05	2400
RSTO25	150	STO25	30	52	15.8	37	500	0.3	16.4	23.2	3.3	1800
RSTO30	255	STO30	38	62	19.8	46	500	0.6	23.1	35	4.7	1300
RSTO35	375	STO35	42	72	19.8	50	500	0.6	25	40.5	5.4	1100
RSTO40	420	STO40	50	80	19.8	58	500	1	23.7	39.5	5.9	850
RSTO45	453	STO45	55	85	19.8	63	500	1	25	43.5	5.9	750
RSTO50	481	STO50	60	90	19.8	68	500	1	25.5	46	6.3	650

*TV=PLASTIC CAGE

*For cylindrical outer race,add the suffix"X". e.g. ST20X

Item No.:	Dimension(mm)									Radial Effective load rating(KN)		Fatigue limit load	Speed (r/min)	weight
Item No.:	d	D	B	C	D1 min	F	R	r1min	rmin	Crw (dyn.)	C0rw (stat.)	Cur W(KN)	nD G	g
NA22/6-2RSR	6	19	12	11.8	16	10	500	0.3	0.3	3.9	3.7	0.485	9000	22
NA22/8-2RSR	8	24	12	11.8	18	12	500	0.3	0.3	4.8	4.3	0.63	7000	34
NA2200-2RSR	10	30	14	13.8	20	14	500	0.3	0.6	7	6.9	1.09	5500	60
NA2201-2RSR	12	32	14	13.8	22	16	500	0.3	0.6	7.5	8.3	1.27	4700	67
NA2202-2RSR	15	35	14	13.8	26	20	500	0.3	0.6	7.6	9.8	1.37	3400	75
NA2203-2RSR	17	40	16	15.8	28	22	500	0.3	1	9.9	14	1.84	3000	112
NA2204-2RSR	20	47	18	17.8	33	25	500	0.3	1	14	19.1	2.65	2300	177
NA2205-2RSR	25	52	18	17.8	38	30	500	0.3	1	144	208	2.9	1800	209
NA2206-2RSR	30	62	20	19.8	43	35	500	0.3	1	17.1	26	3.55	1400	324
NA2207-2RSR	35	72	23	22.7	50	42	500	0.6	1.1	21.5	36	5.2	1100	505
NA2208-2RSR	40	80	23	22.7	57	48	500	0.6	1.1	26	41	5.3	850	628
NA2210-2RSR	50	90	23	22.7	68	58	500	0.6	1.1	26	43	5.6	650	690

*For cylindrical outer race,add the suffix"R". e.g. NA2200-2RS

Item No.:	Dimension(mm)						Radial Effective load rating(KN)		Fatigue limit load	Speed (1/min)	weight
Item No.:	FW	D	C	D1min	R	rmin	Crw (dyn.)	C0rw (stat.)	Curw(KN)	nD G	g
RNA22/6-2RSR	10	19	11.8	15.15	500	0.3	3.9	3.7	0.485	9000	18
RNA22/8-2RSR	12	24	11.8	18	500	0.3	4.8	4.3	0.63	7000	29
RNA2200-2RSR	14	30	13.8	20	500	0.6	7	6.9	1.09	5500	52
RNA2201-2RSR	16	32	13.8	22	500	0.6	7.5	8.3	1.27	4700	57
RNA2202-2RSR	20	35	13.8	26	500	0.6	7.6	9.8	1.37	3400	60
RNA2203-2RSR	22	40	15.8	28	500	1	9.9	14	1.84	3000	94
RNA2204-2RSR	25	47	17.8	33	500	1	14	19.1	2.65	2300	152
RNA2205-2RSR	30	52	17.8	38	500	1	14.4	20.8	2.9	1800	179
RNA2206-2RSR	35	62	19.8	43	500	1	17.1	26	3.55	1400	284
RNA2207-2RSR	42	72	22.7	50	500	1.1	21.5	36	5.2	1100	432
RNA2208-2RSR	48	80	22.7	57	500	1.1	26	41	5.3	850	530


*For cylindrical outer race,add the suffix"R". e.g. RNA2200-2RS

Item No.	weight	Item No.	weight	Dimension(mm)						Radial Effective load rating(KN)		Fatigue limit load	Speed (r/min)
Item No.	g	Item No.	g	d	D	B	C	d2	r min	Crw (dyn.)	C0rw (stat.)	Curw (KN)	nD G
NATR5	14	NATR5-PP	14	5	16	12	11	12.5	0.15	3.15	33	0.415	14000
NATV5	15	NATV5-PP	15	5	16	12	11	12.5	0.15	4.9	6.5	0.86	3800
NATR6	20	NATR6-PP	19	6	19	12	11	15	0.15	3.5	3.9	0.485	11000
NATV6	21	NATV6-PP	21	6	19	12	11	15	0.15	5.4	7.9	1.04	3100
NATR8	41	NATR8-PP	38	8	24	15	14	19	0.3	5.5	6.4	0.81	7500
NATV8	42	NATV8-PP	41	8	24	15	14	19	0.3	7.8	11.4	1.43	2500
NATR10	64	NATR10-PP	61	10	30	15	14	23	0.6	6.8	8.4	1.07	5500
NATV10	65	NATV10-PP	64	10	30	15	14	23	0.6	9.5	14.6	1.84	2100
NATR12	71	NATR12-PP	66	12	32	15	14	25	0.6	6.9	8.8	1.72	4500
NATV12	72	NATV12-PP	69	12	32	15	14	25	0.6	9.7	15.4	1.95	1800
NATR15	104	NATR15-PP	95	15	35	19	18	27.6	0.6	9.8	14.1	1.7	3600
NATV15	109	NATV15-PP	101	15	35	19	18	27.6	0.6	12.8	23	2.9	1600
NATR17	144	NATR17-PP	139	17	40	21	20	31.5	1	10.9	15.5	1.85	2900
NATV17	152	NATV17-PP	147	17	40	21	20	31.5	1	14.8	26.5	3.05	1400
NATR20	246	NATR20-PP	236	20	47	25	24	36.5	1	15.5	25.5	3	2400
NATV20	254	NATV20-PP	245	20	47	25	24	36.5	1	20.6	42	5.2	1300
NATR25	275	NATR25-PP	271	25	52	25	24	41.5	1	15.4	26.5	3.01	1800
NATV25	285	NATV25-PP	281	25	52	25	24	41.5	1	20.5	44	5.4	1000
NATR30	470	NATR30-PP	444	30	62	29	28	51	1	23.4	38.5	4.65	1300
NATV30	481	NATV30-PP	468	30	62	29	28	51	1	30.5	62	7.8	850
-	-	NATR35-PP	547	35	72	29	28	58	1.1	25	44	5.3	1000
-	-	NATV35-PP	630	35	72	29	28	58	1.1	33	71	8.9	750
-	-	NATR40-PP	795	40	80	32	30	66	1.1	32.5	58	7	850
-	-	NATV40-PP	832	40	80	32	30	66	1.1	41	88	11	650
-	-	NATR50-PP	867	50	90	32	30	76	1.1	31.5	59	7.1	650
-	-	NATV50-PP	969	50	90	32	30	76	1.1	40	92	11.6	550

Item No.	weight	Dimension(mm)							Radial Effective load rating(KN)		Radial Permissible load rating(KN)		Fatigue limit load	Speed (r/min)
Item No.	g	D	d	B	C	d2	r1/min	r/min	Crw (dyn.)	C0rw (stat.)	Fr per (dyn.)	F0r per (stat.)	Curw (KN)	nD G
NUTR15	99	35	15	19	18	20	0.3	0.6	15	16.8	8.6	16.8	2.22	6500
PWTR15-2RS	99	35	15	19	18	20	0.3	0.6	11.6	11.3	9.4	11.3	1.78	6000
NUTR17	147	40	17	21	20	22	0.5	1	18.4	22.6	13.1	22.6	2.9	5500
PWTR17-2RS	147	40	17	21	20	22	0.5	1	13.2	13.8	13.8	13.8	2.2	5000
NUTR1542	158	42	15	19	18	20	0.3	0.6	18.1	21.9	21.9	21.9	2.9	6500
PWTR1542-2RS	158	42	15	19	18	20	0.3	0.6	13.5	14.1	14.1	14.1	2.23	6000
NUTR1747	220	47	17	21	20	22	0.5	1	21.3	28	28	28	3.6	5500
PWTR1747-2RS	220	47	17	21	20	22	0.5	1	14.8	16.4	16.4	16.4	2.6	5000
NUTR20	245	47	20	25	24	27	0.5	1	28	35	16.4	33	4.4	4200
PWTR20-2RS	245	47	20	25	24	27	0.5	1	23.2	25.5	18.3	25.5	3.6	3800
NUTR2052	321	52	20	25	24	27	0.5	1	31.5	41	38.5	41	5.2	4200
PWTR2052-2RS	321	52	20	25	24	27	0.5	1	25.5	29.5	29.5	29.5	4.15	3800
NUTR25	281	52	25	25	24	31	0.5	1	29	37.5	17.3	34.5	4.7	4200
PWTR25-2RS	281	52	25	25	24	31	0.5	1	24.2	28	19.3	28	3.9	3800
NUTR2562	450	62	25	25	24	31	0.5	1	35.5	50	50	50	6.3	4200
PWTR2562-2RS	450	62	25	25	24	31	0.5	1	29	36	36	36	5	3800
NUTR30	465	62	30	29	28	38	0.5	1	40	50	23.5	46.5	6.3	2600
PWTR30-2RS	465	62	30	29	28	38	0.5	1	35	39.5	25.5	39.5	5.4	2200
NUTR3072	697	72	30	29	28	38	0.5	1	47.5	64	64	64	8.1	2600
PWTR3072-2RS	697	72	30	29	28	38	0.5	1	41	49	49	49	6.7	2200
NUTR35	630	72	35	29	28	44	0.6	1.1	44.5	60	32	60	7.6	2100
PWTR35-2RS	630	72	35	29	28	44	0.6	1.1	38.5	46.5	34.5	46.5	6.3	1800
NUTR3580	836	80	35	29	28	44	0.6	1.1	51	72	72	72	9.1	2100
PWTR3580-2RS	836	80	35	29	28	44	0.6	1.1	43.5	55	55	55	7.5	1800
NUTR40	816	80	40	32	30	50.5	0.6	1.1	55	75	30.5	60	9.4	1600
PWTR40-2RS	816	80	40	32	30	50.5	0.6	1.1	44.5	53	35	53	7.1	1500
NUTR45	883	85	45	32	30	55.2	0.6	1.1	56	78	31.5	61	9.7	1400
PWTR45-2RS	883	85	45	32	30	55.2	0.6	1.1	45	55	36	55	7.4	1300
NUTR4090	1129	90	40	32	30	50.5	0.6	1.1	66	95	84	95	11.9	1500
PWTR4090-2RS	1129	90	40	32	30	50.5	0.6	1.1	52	66	66	66	8.8	1500
NUTR50	950	90	50	32	30	59.8	0.6	1.1	57	81	32	62	10.1	1300
PWTR50-2RS	950	90	50	32	30	59.8	0.6	1.1	45.5	57	37	57	7.7	1100
NUTR45100	1396	100	45	32	30	55.2	0.6	1.1	71	115	106	107	13.3	1400
PWTR45100-2RS	1396	100	45	32	30	55.2	0.6	1.1	56	74	74	74	9.8	1300
NUTR50110	1690	110	50	32	30	59.8	0.6	1.1	76	120	120	120	14.9	1300
PWTR50110-2RS	1690	110	50	32	30	59.8	0.6	1.1	59	82	82	82	11	1100

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