KOYO BEARING

Boundary dimensions d D T B C r r1 mm 1/25.4 mm 1/25.4 mm 1/25.4 mm 1/25.4 mm 1/25.4 min. min.									Bearing No. 1)	De- sign	Basic load ratings (kN) Cr C0r			Fatigue load limit (kN) Cu	Load center (mm) a	da min.	db max.	Mounting dimensions (mm) Da Db Sa max. min. min. min.				Sb min.	ra max.	rb max.	Con- stant e	Axial load factors Y1 Y0		(Refer.) Mass (kg)
177.800	7.0000 7.0000 7.0000	360.000 365.049 428.625	14.1732 14.3720 16.8750	92.075 3.6250 92.075 3.6250 106.362 4.1875	88.897 3.4999 88.897 3.4999 95.250 3.7500	63.500 2.5000 63.500 2.5000 61.912 2.4375	12.7 12.7 6.4	3.2 3.2 6.4	EE420701/421417 EE420701/421437 EE350701/351687	1 1 1	1 180 1 180 1 340	1 1 1	460 460 390	159 159 145	75.6 75.6 118.7	209 209 196	243 243 238	348 353 410	317 317 350	334 334 381	6 6 9	28.6 28.6 44.5	12.7 12.7 6.4	3.2 3.2 6.4	0.40 0.40 0.76	1.49 1.49 0.79	0.82 0.82 0.44	40.5 41.9 64.6
179.975	7.0856	317.500	12.5000	63.500 2.5000	63.500 2.5000	46.038 1.8125	3.6	3.2	93708/93125	1	757	1	130	122	71.4	193	227	306	278	294	7	17.5	3.6	3.2	0.52	1.15	0.63	20.8
180	—	250		45 —	45 —	34 —	2.5	2	32936JR	1	447		735	93.4	53.5	192	193	240	225	241	8	11	2	2	0.48	1.25	0.69	6.64
180.000	7.0866	250.000	9.8425	47.000 1.8504	45.000 1.7717	37.000 1.4567	3.0	2.5	JM736149/JM736110	1	456		705	81.7	55.2	191	193	240	230	242	7	10	3.0	2.5	0.48	1.25	0.69	6.56
180	—	280 320 320		64 — 57 — 91 —	64 — 52 — 86 —	48 — 43 — 71 —	3 5 5	2.5 4 4	32036JR 30236JR 32236JR	1 1 1	810 771 1 200	1 1	100 870 520	127 102 164	59.5 63.6 77.8	194 202 202	199 211 204	268 302 302	247 278 267	268 297 303	10 9 10	16 14 20	2.5 4 4	2 3 3	0.42 0.45 0.45	1.42 1.33 1.33	0.78 0.73 0.73	14.1 18.3 29.9
184.150	7.2500 7.2500	266.700 279.997	10.5000 11.0235	47.625 1.8750 46.525 1.8317	46.833 1.8438 46.833 1.8438	38.100 1.5000 36.000 1.4173	3.6 3.6	3.2 3.2	67883/67820 67883/67830	1 1	425 425		703 703	78.2 78.2	57.8 56.7	197 197	211 211	255 268	245 245	257 256	6 7	9.5 10.5	3.6 3.6	3.2 3.2	0.48 0.48	1.26 1.26	0.69 0.69	8.55 10.0
187.325	7.3750 7.3750 7.3750	269.875 319.964 320.675	10.6250 12.5970 12.6250	55.563 2.1875 88.900 3.5000 88.900 3.5000	55.563 2.1875 85.725 3.3750 85.725 3.3750	42.863 1.6875 65.088 2.5625 65.088 2.5625	3.6 5.6 5.6	3.2 4.8 4.8	M238849/M238810 H239649/H239610 H239649/H239612	1 1 1	514 1 070 1 070	1 1	805 270 270	91.6 142 142	49.9 66.1 66.1	200 204 204	209 214 214	258 305 306	245 286 286	255 300 300	5 5 5	12.7 23.8 23.8	3.6 5.6 5.6	3.2 4.8 4.8	0.33 0.32 0.32	1.80 1.88 1.88	0.99 1.04 1.04	9.66 25.1 25.3
190	—	260	—	45 —	45 —	34 —	2.5	2	32938JR	1	459		789	88.6	55.0	202	204	250	235	252	8	11	2	2	0.48	1.26	0.69	6.89
190.000	7.4803	260.000	10.2362	46.000 1.8110	44.000 1.7323	36.500 1.4370	3.0	2.5	JM738249/JM738210	1	461		723	81.4	56.0	201	203	250	240	251	7	9.5	3.0	2.5	0.48	1.26	0.69	6.89
190	—	290 340 340		64 — 60 — 97 —	64 — 55 — 92 —	48 — 46 — 75 —	3 5 5	2.5 4 4	32038JR 30238JR 32238JR	1 1 1	823 912 1 370	1 1 1	170 030 740	131 118 187	62.9 66.4 81.9	204 212 212	209 225 216	278 322 322	257 298 286	279 318 323	10 12 12	16 13 22	2.5 4 4	2 3 3	0.44 0.44 0.44	1.36 1.38 1.38	0.75 0.76 0.76	14.7 21.9 36.6
190.500	7.5000 7.5000 7.5000 7.5000	266.700 282.575 317.500 317.500	10.5000 11.1250 12.5000 12.5000	47.625 1.8750 50.800 2.0000 63.500 2.5000 68.263 2.6875	46.833 1.8438 47.625 1.8750 63.500 2.5000 63.500 2.5000	38.100 1.5000 36.512 1.4375 46.038 1.8125 50.800 2.0000	3.6 3.6 4.3 4.3	3.2 3.2 3.2 3.2	67885/67820 87750/87111 93750/93125 93750/93126	1 1 1 1	425 513 757 757	1 1	703 726 130 130	78.2 91.2 122 122	57.8 55.7 71.4 76.2	203 203 205 205	211 215 227 227	255 271 306 306	245 256 278 276	257 266 294 294	6 3 7 2	9.5 14.3 17.5 17.5	3.6 3.6 4.3 4.3	3.2 3.2 3.2 3.2	0.48 0.42 0.52 0.52	1.26 1.44 1.15 1.15	0.69 0.79 0.63 0.63	7.88 9.67 19.3 20.3

CMTG BEARING CO.,LIMITED. has been engaged in bearing industry for many years, we provide a wide selections of brands, including FAG bearing, SKF bearing,NSK bearing,Nachi bearing, TIMKEN bearing, THK Linear Guide and Linear Block …ect.

Bearing typies including standard bearing and non-standard bearings, linear bearings, automotive bearings, large bearings, railway bearings,spherical plain bearings, high temperature,super-precision bearings, as well as some rare types customized to your need.

KOYO Bearing

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KOYO tapered roller bearings JM738249/JM738210

KOYO Bearing

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KOYO tapered roller bearings JM738249/JM738210

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