Pillow Block Bearings UCF305 UCF306 UCF307 UCF308 UCF309 UCF310 UCF311 UCF312 UCF313 UCF314 UCF315 UCF316 UCF317 UCF318 UCF319 UCF320 UCF322 UCF324 UCF326 UCF328

Spherical Bearings

The outer spherical ball bearing is actually a variant of the deep groove ball bearing. Its characteristic is that its outer ring outer diameter surface is spherical, which can be fitted into the corresponding concave spherical surface of the bearing seat to play the role of centering. The outer spherical bearing is mainly used to bear the radial and axial combined load mainly based on radial load, and generally it is not suitable to bear the axial load alone. Its basic performance is similar to that of deep groove ball bearings, but since such bearings are mostly used in relatively rough machines, the installation positioning is not accurate enough, the axial alignment of the shaft and the seat hole is poor, and the accuracy of the bearing itself is not high enough. Some structures are also rough, so the actual performance of the performance is lower than the deep groove ball bearings of the same specifications. Such bearings can be fitted with inner and outer rings, respectively. The outer spherical bearing is a bearing unit that combines a rolling bearing with a bearing housing. Most of the outer spherical bearings are made of a spherical surface and are mounted together with a bearing housing with a spherical inner hole. The structure is various, and the versatility and interchangeability are good. At the same time, these bearings are also designed with a certain degree of self-alignment, easy to install, and have a double-structured sealing device that can work in harsh environments. The bearing housing is typically cast. Commonly used seats are vertical seat (P), square seat (F), boss square seat (FS), boss circular seat (FC), diamond seat (FL), ring seat (C), slider seat（T)etc.

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Model	Size ( mm / in. )										Bolt mm	Bearing	Bearing housing	W.T(kg)
	d	a	e	i	g	l	s	z	B	n
UCF305	25	110	80	16	13	29	16	39	38	15	M14	UC305	F305	1.1
UCF306	30	125	95	18	15	32	16	44	43	17	M14	UC306	F306	1.5
UCF307	35	135	100	20	16	36	19	49	48	19	M16	UC307	F307	2
UCF308	40	150	112	23	17	40	19	56	52	19	M16	UC308	F308	2.6
UCF309	45	160	125	25	18	44	19	60	57	22	M16	UC309	F309	3.4
UCF310	50	175	132	28	19	48	23	67	61	22	M20	UC310	F310	4.5
UCF311	55	185	140	30	20	52	23	71	66	25	M20	UC311	F311	5.5
UCF312	60	195	150	33	22	56	23	78	71	26	M20	UC312	F312	6.5
UCF313	65	208	166	33	22	58	23	78	75	30	M20	UC313	F313	7.9
UCF314	70	226	178	36	25	61	25	81	78	33	M22	UC314	F314	9.6
UCF315	75	236	184	39	25	66	25	89	82	32	M22	UC315	F315	11
UCF316	80	250	196	38	27	68	31	90	86	34	M27	UC316	F316	13.3
UCF317	85	260	204	44	27	74	31	100	96	40	M27	UC317	F317	15.3
UCF318	90	280	216	44	30	76	35	100	96	40	M30	UC318	F318	18.6
UCF319	95	290	228	59	30	94	35	121	103	41	M30	UC319	F319	22.8
UCF320	100	310	242	59	32	94	38	125	108	42	M33	UC320	F320	26.1
UCF322	110	340	266	60	35	96	41	131	117	46	M36	UC322	F322	34.9
UCF324	120	370	290	65	40	110	41	140	126	51	M36	UC324	F324	46.8
UCF326	130	410	320	65	45	115	41	146	135	54	M36	UC326	F326	62.6
UCF328	140	450	350	75	55	125	41	161	145	59	M36	UC328	F328	85.5