What applications use UCFL Series Pillow Block & Insert Units?

UCFL Series Pillow Block & Insert Units are commonly selected for OEM equipment, replacement sourcing, and distributor stock programs. Share your load, speed, and mounting conditions for a tighter recommendation.

Can BLD customize clearance, materials, or packaging for UCFL Series Pillow Block & Insert Units?

Yes. Clearance grades, cage/seal options where applicable, and branded export packing are available for OEM programs.

How do I get the full UCFL Series datasheet?

Browse the specification table on this page, download the product-line datasheet from the catalog, or request a PDF quote pack from sales.

Bearing Series

UCFL Series

Pillow Block & Insert Units · Flange Unit

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UCFL SeriesFlange Unit107 models

Bearing No.	Shaft Dia.		Dimensions (mm)									Bolt Size	Housing No.
	d		H	Hole Dist.J	L	A2	A1	A	E	Hole Dia.N	S
	(in.)	(mm)	H	Hole Dist.J	L	A2	A1	A	E	Hole Dia.N	S
UCFL201	—	12	99	76.5	57	15	11	25.5	30.9	12	11.5	M10	FL201FL202FL203
UCFL201-8	1/2	—
UCFL202	—	15
UCFL202-10	5/8	—
UCFL203	—	17
UCFL203-11	11/16	—
UCFL201	—	12	113	90	60	15	11	25.5	33.3	12	12.7	M10	FL201FL202FL203FL204
UCFL201-8	1/2	—
UCFL202	—	15
UCFL202-10	5/8	—
UCFL203	—	17
UCFL203-11	11/16	—
UCFL204-12	3/4	—
UCFL204	—	20
UCFL205-14	7/8	—	130	99	68	16	13	27	35.7	16	14.3	M14	FL205
UCFL205-15	15/16	—
UCFL205	—	25
UCFL205-16	1	—
UCFL206-18	1-1/8	—	148	117	80	18	13	31	40.2	16	15.9	M14	FL206
UCFL206	—	30
UCFL206-19	1-3/16	—
UCFL206-20	1-1/4	—
UCFL207-20	1-1/4	—	161	130	90	19	14	34	44.4	16	17.5	M14	FL207
UCFL207-21	1-5/16	—
UCFL207-22	1-3/8	—
UCFL207	—	35
UCFL207-23	1-7/16	—
UCFL208-24	1-1/2	—	175	144	100	21	14	36	51.2	16	19	M14	FL208
UCFL208-25	1-9/16	—
UCFL208	—	40
UCFL209-26	1-5/8	—	188	148	108	22	15	38	52.2	19	19	M16	FL209
UCFL209-27	1-11/16	—
UCFL209-28	1-3/4	—
UCFL209	—	45
UCFL210-30	1-7/8	—	197	157	115	22	15	40	54.6	19	19	M16	FL210
UCFL210-31	1-15/16	—
UCFL210	—	50
UCFL210-32	2	—
UCFL211-32	2	—	224	184	130	25	18	43	58.4	19	22.2	M16	FL211
UCFL211-34	2-1/8	—
UCFL211	—	55
UCFL211-35	2-3/16	—
UCFL212-36	2-1/4	—	250	202	140	29	18	48	68.7	23	25.4	M20	FL212
UCFL212	—	60
UCFL212-38	2-3/8	—
UCFL212-39	2-7/16	—
UCFL213-40	2-1/2	—	258	210	155	30	20	50	69.7	23	25.4	M20	FL213
UCFL213	—	65	258	210	155	30	20	50	69.7	23	25.4	M20	FL213
UCFL214-44	2-3/4	—	265	216	160	31	20	54	75.4	23	30.2	M20	FL214
UCFL214	—	70	265	216	160	31	20	54	75.4	23	30.2	M20	FL214
UCFL215-47	2-15/16	—	275	225	164	34	22	56	78.5	23	33.3	M20	FL215
UCFL215	—	75
UCFL215-48	3	—
UCFL216	—	80	290	233	180	34	22	58	83.3	25	33.3	M22	FL216
UCFL217-52	3-1/4	—	305	248	190	36	22	63	87.6	25	34.1	M22	FL217
UCFL217	—	85	305	248	190	36	22	63	87.6	25	34.1	M22	FL217
UCFL218-56	3-1/2	—	320	265	205	40	23	68	96.3	25	39.7	M22	FL218
UCFL218	—	90	320	265	205	40	23	68	96.3	25	39.7	M22	FL218

Bearing No.	Shaft Dia.		Dimensions (mm)									Bolt Size	Housing No.
	d		H	Hole Dist.J	L	A2	A1	A	E	Hole Dia.N	S
	(in.)	(mm)	H	Hole Dist.J	L	A2	A1	A	E	Hole Dia.N	S
UCFL305-14	7/8	—	150	113	80	16	13	29	39	19	15	M16	FL305
UCFL305-15	15/16	—
UCFL305	—	25
UCFL305-16	1	—
UCFL306-18	1-1/8	—	180	134	90	18	15	32	44	23	17	M20	FL306
UCFL306	—	30
UCFL306-19	1-3/16	—
UCFL307-20	1-1/4	—	185	141	100	20	16	36	49	23	19	M20	FL307
UCFL307-21	1-5/16	—
UCFL307-22	1-3/8	—
UCFL307	—	35
UCFL308-24	1-1/2	—	200	158	112	23	17	40	56	23	19	M20	FL308
UCFL308-25	1-9/16	—
UCFL308	—	40
UCFL309-26	1-5/8	—	230	177	125	25	18	44	60	25	22	M22	FL309
UCFL309-27	1-11/16	—
UCFL309-28	1-3/4	—
UCFL309	—	45
UCFL310-30	1-7/8	—	240	187	140	28	19	48	67	25	22	M22	FL310
UCFL310-31	1-15/16	—
UCFL310	—	50
UCFL311-32	2	—	250	198	150	30	20	52	71	25	25	M22	FL311
UCFL311-34	2-1/8	—
UCFL311	—	55
UCFL311-35	2-3/16	—
UCFL312-36	2-1/4	—	270	212	160	33	22	56	78	31	26	M27	FL312
UCFL312	—	60
UCFL312-38	2-3/8	—
UCFL312-39	2-7/16	—
UCFL313-40	2-1/2	—	295	240	175	33	25	58	78	31	30	M27	FL313
UCFL313	—	65	295	240	175	33	25	58	78	31	30	M27	FL313
UCFL314-44	2-3/4	—	315	250	185	36	28	61	83	35	31	M30	FL314
UCFL314	—	70	315	250	185	36	28	61	83	35	31	M30	FL314
UCFL315	—	75	320	260	195	39	30	66	89	35	32	M30	FL315
UCFL315-48	3	—	320	260	195	39	30	66	89	35	32	M30	FL315
UCFL316	—	80	355	285	210	38	32	68	90	38	34	M33	FL316
UCFL317-52	3-1/4	—	370	300	220	44	32	74	100	38	40	M33	FL317
UCFL317	—	85	370	300	220	44	32	74	100	38	40	M33	FL317
UCFL318-56	3-1/2	—	385	315	235	44	36	76	100	38	40	M33	FL318
UCFL318	—	90	385	315	235	44	36	76	100	38	40	M33	FL318
UCFL319	—	95	405	330	250	59	40	94	121	41	41	M36	FL319
UCFL319-60	3-3/4	—	405	330	250	59	40	94	121	41	41	M36	FL319
UCFL320	—	100	440	360	270	59	40	94	125	44	42	M39	FL320
UCFL320-64	4	—	440	360	270	59	40	94	125	44	42	M39	FL320
UCFL321	—	105	444	360	270	59	40	94	127	44	44	M39	FL321
UCFL322	—	110	474	390	300	60	42	96	131	44	46	M39	FL322
UCFL324	—	120	524	430	330	65	48	110	140	47	51	M42	FL324
UCFL326	—	130	554	460	360	65	50	115	146	47	54	M42	FL326
UCFL328	—	140	604	500	400	75	60	125	161	51	59	M45	FL328

Technical content record

Reviewed by:: BLD Bearing Technical Team
Updated:: August 23, 2026
Record ID:: BLD-SERIES-PILLOW-BLOCK-INSERT-UNITS-UCFL-20260823
Catalog version:: BLD-WEB-PBU-2026.08

Dimensions, loads, speeds and weights on this page come from the BLD web catalog dataset. The ISO standards listed here support terminology, dimension systems, tolerances and load methods; they are not the direct source of BLD-specific values. Confirm contract-critical values in a signed specification or formal quotation.

Organization-level technical review; request a named engineer and signed specification for contract-critical decisions.

Reference sources

ISO 3228:2013 — Cast and pressed housings for insert bearings — Dimensions and tolerances
ISO 281:2007 — Rolling bearings — Dynamic load ratings and rating life
ISO 76:2006 — Rolling bearings — Static load ratings

FAQ

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