UCFS 300 Series

The UCFS pillow block (RHP SF and MSF series) consists of a bearing insert with a spherical outer diameter in a cast iron housing. The bearing is usually fixed to the shaft by means of two set screws in the extended portion of the inner ring.

Typical TR references

UCF / UKF / UCFX

Typical NSK-RHP references

SF / MSF

Typical SKF references

FY / FYJ

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Product Overview

Bearing units consist of series of metric or imperial bore wide inner ring sealed ball bearings with spherical outer diameter inserted in a wide range of pressed steel and cast iron housings which are able to accommodate static misalignment.

Mounted bearing units are manufactured in a variety of bore sizes ranging from 12 -100mm or 1/2″ – 4″ with a variety of locking mechanisms and seals.

Special types for agricultural use are also manufactured.

Pressed steel housing styles cover a range of round and triangular flange units as well as pillow blocks.

More popular are the Cast Iron housing styles, which include long and short base pillow blocks, 2- and 4-bolt flange units, take-up units, flange cartridge units and hanger units.

While most inserts feature a standard lip seal with integral flinger, a triple lip seal with flinger is recommended for use in contaminated environments.

Various locking methods are available, including set screw locking, eccentric collar and even taper lock sleeve.

What are the Typical Uses for Bearing Units?

Quarry and Mining
Tillage Equipment
Industrial Machinery
Conveyor Systems and Material Handling

Dimensions

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Unit No.	Shaft Dia		Dimensions (mm)											Bolt size	Bearing No.	Housing No.	Mass (kg)
	d		L	J	A2	A1	A	j	K	N	f	S	E
	(in.)	(mm)
UCFS 305-14	7/8		110	80	9	22	29	7	13	16	80	15	32	M14	UC305-14	FS305
305-15	15/16														305-15
305		25													305		1.19
305-16	1														305-16
UCFS 306-18	1-1/8		125	95	10	24	32	8	15	16	90	17	36	M14	UC306-18	FS306
306		30													306		1.77
306-19	1-3/16														306-19
UCFS 307-20	1-1/4		135	100	11	27	36	9	16	19	100	19	40	M16	UC307-20	FS307
307-21	1-5/16														307-21
307-22	1-3/8														307-22
307		35													307		2.19
UCFS 308-24	1-1/2		150	112	13	30	40	10	17	19	115	19	46	M16	UC308-24	FS308
308-25	1-9/16														308-25
308		40													308		3.1
UCFS 309-26	1-5/8		160	125	14	33	44	11	18	19	125	22	49	M16	UC309-26	FS309
309-27	1-11/16														309-27
309-28	1-3/4														309-28
309		45													309		3.8
UCFS 310-30	1-7/8		175	132	16	36	48	12	19	23	140	22	55	M20	UC310-30	FS310
310-31	1-15/16														310-31
310		50													310		4.95
UCFS 311-32	2		185	140	17	39	52	13	20	23	150	25	58	M20	UC311-32	FS311
311-34	2-1/8														311-34
311		55													311		5.86
311-35	2-3/16														311-35
UCFS 312-36	2-1/4		195	150	19	42	56	14	22	23	160	26	64	M20	UC312-36	FS312
312		60													312		7.52
312-38	2-3/8														312-38
312-39	2-7/16														312-39
UCFS 313-40	2-1/2		208	166	15	40	58	18	22	23	175	30	60	M20	UC313-40	FS313
313		65													313		8.68
UCFS 314-44	2-3/4		226	178	18	43	61	18	25	25	185	31	65	M22	UC314-44	FS314
314		70													314		10.7
UCFS 315		75	236	184	21	48	66	18	25	25	200	32	71	M22	UC315	FS315	12.5
315-48	3														315-48
UCFS 316		80	250	196	18	48	68	20	27	31	210	34	70	M27	UC316	FS316	14.4
UCFS 317-52	3-1/4		260	204	24	54	74	20	27	31	220	40	80	M27	UC317-52	FS317
317		85													317		17.1
UCFS 318-56	3-1/2		280	216	24	56	76	20	30	35	250	41	101	M30	UC318-56	FS318
318		90													318		20.8
UCFS319		95	290	228	39	74	94	20	30	35	250	41	101	M30	UC319	FS319	24.8
319-60	3-3/4														319-60
UCFS320		100	310	242	39	74	94	20	32	38	260	42	105	M33	UC320	FS320	29.3
320-64	4														320-64
UCFS322		110	340	266	35	71	96	25	35	41	300	46	106	M36	UC322	FS322	39
UCFS324		120	370	290	35	80	110	30	40	41	330	51	110	M36	UC324	FS324	52.6
UCFS326		130	410	320	35	85	115	30	45	41	360	54	116	M36	UC326	FS326	69.7
UCFS328		140	450	350	45	95	125	30	55	41	400	59	131	M36	UC328	FS328	93.1

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For any enquiries regarding UCFS 300 Series, please complete our enquiry form, and a member of our technical team will respond promptly. Alternatively, you can reach out directly to one of our offices using the contact details here. Our specialists are ready to provide guidance and support tailored to your machinery and engineering needs.