UCP pillow block bearing size chart

Pillow block bearing unit is a bearing unit that combines a rolling bearing with a bearing housing. Most pillow block bearings are made of spherical outer diameter and are installed with pillow block which have spherical inner holes. They have various structural forms, good versatility and interchangeability.

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Description

Pillow blocks can refer to a variety of bearing styles such as single row ball bearings, double row ball bearings, spherical roller bearings, taper roller bearings, etc. A unit is typically a reference for a 1-piece housing as opposed to a split housing. For simplicity, this article will focus on single row ball bearing units.

“A basic pillow block bearing unit is typically an insert bearing which is based on a sealed deep groove ball bearing and a one piece housing.” Joshua Goldman, Applications Engineer for SKF USA says. These units consist of:

*an insert bearing which is based on a sealed single row deep groove ball bearing in the 62 series with a spherical (convex) outside diameter surface and an extended inner ring:

*a one-piece housing made of several different material options which include but are not limited to cast iron, cast stainless steel, and composite. The housing has a correspondingly sphered but concave bore.

Pillow block bearing size chart

Unit No.	Shaft Dia		Dimensions (mm)											Bolt Size (mm)	Weight
	d		H	L	J	A	N	N1	H1	Ho	B	S	A3		(kg)
	(in)	(mm)	H	L	J	A	N	N1	H1	Ho	B	S	A3		(kg)
UCP201		12	30.2	125	95	32	13	18	13	57	27.4	11.5	-	M10	0.72
UCP202		15	30.2	125	95	32	13	18	13	57	27.4	11.5	-	M10	0.66
UCP203		17	30.2	125	95	32	13	18	13	57	27.4	11.5	-	M10	0.66
UCP201		12	30.2	127	95	38	13	19	14	61	31	12.7	-	M10	0.76
UCP201-8	1/2		30.2	127	95	38	13	19	14	61	31	12.7	-	M10	0.76
UCP202		15	30.2	127	95	38	13	19	14	61	31	12.7	-	M10	0.74
UCP202-9	9/16		30.2	127	95	38	13	19	14	61	31	12.7	-	M10	0.74
UCP202-10	5/8		30.2	127	95	38	13	19	14	61	31	12.7	-	M10	0.74
UCP203		17	30.2	127	95	38	13	19	14	61	31	12.7	-	M10	0.72
UCP203-11	11/16		30.2	127	95	38	13	19	14	61	31	12.7	-	M10	0.72
UCP204		20	33.3	127	95	38	13	19	14	64	31	12.7	46.4	M10	0.70
UCP204-12	3/4		33.3	127	95	38	13	19	14	64	31	12.7	46.4	M10	0.70
UCP205		25	36.5	140	105	38	13	19	15	71	34.1	14.3	48	M10	0.76
UCP205-14	7/8		36.5	140	105	38	13	19	15	71	34.1	14.3	48	M10	0.76
UCP205-15	15/16		36.5	140	105	38	13	19	15	71	34.1	14.3	48	M10	0.76
UCP205-16	1		36.5	140	105	38	13	19	15	71	34.1	14.3	48	M10	0.76
UCP206		30	42.9	160	121	44	17	21	16	82	38.1	15.9	52	M14	1.25
UCP206-17	1-1/16		42.9	160	121	44	17	21	16	82	38.1	15.9	52	M14	1.25
UCP206-18	1-1/8		42.9	160	121	44	17	21	16	82	38.1	15.9	52	M14	1.25
UCP206-19	1-3/16		42.9	160	121	44	17	21	16	82	38.1	15.9	52	M14	1.25
UCP206-20	1-1/4		42.9	160	121	44	17	21	16	82	38.1	15.9	52	M14	1.25
UCP207		35	47.6	167	126	48	17	21	17	92	42.9	17.5	59	M14	1.55
UCP207-20	1-1/4		47.6	167	126	48	17	21	17	92	42.9	17.5	59	M14	1.55
UCP207-21	1-5/16		47.6	167	126	48	17	21	17	92	42.9	17.5	59	M14	1.55
UCP207-22	1-3/8		47.6	167	126	48	17	21	17	92	42.9	17.5	59	M14	1.55
UCP207-23	1-7/16		47.6	167	126	48	17	21	17	92	42.9	17.5	59	M14	1.55
UCP208		40	49.2	180	137	52	17	21	18	99	49.2	19	68.2	M14	1.90
UCP208-24	1-1/2		49.2	180	137	52	17	21	18	99	49.2	19	68.2	M14	1.90
UCP208-25	1-9/16		49.2	180	137	52	17	21	18	99	49.2	19	68.2	M14	1.90
UCP209		45	54	190	146	54	17	21	20	106	49.2	19	70	M14	2.20
UCP209-26	1-5/8		54	190	146	54	17	21	20	106	49.2	19	70	M14	2.20
UCP209-27	1-11/16		54	190	146	54	17	21	20	106	49.2	19	70	M14	2.20
UCP209-28	1-3/4		54	190	146	54	17	21	20	106	49.2	19	70	M14	2.20
UCP210		50	57.2	206	159	60	20	25	21	114	51.6	19	76	M16	2.75
UCP210-30	1-7/8		57.2	206	159	60	20	25	21	114	51.6	19	76	M16	2.75
UCP210-31	1-15/16		57.2	206	159	60	20	25	21	114	51.6	19	76	M16	2.75
UCP210-32	2		57.2	206	159	60	20	25	21	114	51.6	19	76	M16	2.75
UCP211		55	63.5	217	172	60	20	25	23	125	55.6	22.2	76	M16	3.30
UCP211-32	2		63.5	217	172	60	20	25	23	125	55.6	22.2	76	M16	3.30
UCP211-34	2-1/8		63.5	217	172	60	20	25	23	125	55.6	22.2	76	M16	3.30
UCP211-35	2-3/16		63.5	217	172	60	20	25	23	125	55.6	22.2	76	M16	3.30
UCP212		60	69.9	238	186	70	20	25	24	137	65.1	25.4	89	M16	4.70
UCP212-36	2-1/4		69.9	238	186	70	20	25	24	137	65.1	25.4	89	M16	4.70
UCP212-38	2-3/8		69.9	238	186	70	20	25	24	137	65.1	25.4	89	M16	4.70
UCP212-39	2-7/16		69.9	238	186	70	20	25	24	137	65.1	25.4	89	M16	4.70
UCP213		65	76.2	262	203	70	25	30	26	149	65.1	25.4	89	M20	5.60
UCP213-40	2-1/2		76.2	262	203	70	25	30	26	149	65.1	25.4	89	M20	5.60
UCP214		70	79.4	266	210	72	25	30	27	155	74.6	30.2	98	M20	6.60
UCP214-44	2-3/4		79.4	266	210	72	25	30	27	155	74.6	30.2	98	M20	6.60
UCP215		75	82.6	274	217	74	25	30	28	162	77.8	33.3	97	M20	7.30
UCP215-47	2-15/16		82.6	274	217	74	25	30	28	162	77.8	33.3	97	M20	7.30
UCP215-48	3		82.6	274	217	74	25	30	28	162	77.8	33.3	97	M20	7.30
UCP216		80	88.9	292	232	78	25	30	30	174	82.6	33.3	110	M20	9.00
UCP217		85	95.2	310	247	83	25	28	32	186	85.7	34.1	114.2	M20	10.80
UCP217-52	3-1/4		95.2	310	247	83	25	28	32	186	85.7	34.1	114.2	M20	10.80
UCP218		90	101.6	326	262	88	27	30	33	198	96	39.7	124	M22	13.00
UCP218-56	3-1/2		101.6	326	262	88	27	30	33	198	96	39.7	124	M22	13.00
UCP220		100	115	380	305	95	30	36	40	225	108	42	-	M24	16.00

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UCP pillow block bearing size chart

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