Pillow Block Bearings Introduction

Posted by admin

2026-04-30

On 2020-10-19

Pillow Block Bearings Feature:

Pillow block bearings’ insert ball bearings are actually a variant of deep groove ball bearings.
Its characteristic is that its outer ring outer diameter surface is a spherical surface, which can be fitted into the corresponding concave spherical surface of the bearing seat to act as a centering function.

Classification:

Pillow block bearings include UC200 series, UC300 series, SB200 series, SA200 series, UK200 series, UCP200 series, UCF200 series, UCFC200 series, UCT200 series, UCPH200 series, UCPA200 series

UC200 Series Pillow Block Bearings Size Chart:

Bearing No.	Shaft Dia	Dimensions (mm)							Weight (kg)
	d	Dimensions (mm)
	mm	D	Bi	Be	n	m	G	ds
	mm	D	Bi	Be	n	m	G	mm
UC202	15	40	27.4	14	11.5	15.9	4.5	M5×0.8	0.14
UC203	17	40	27.4	14	11.5	15.9	4.5	M5×0.8	0.13
UC204	20	47	31.0	17	12.3	18.7	5.0	M6×1.0	0.18
UC205	25	52	34.1	17	14.3	19.8	5.0	M6×1.0	0.22
UC206	30	62	38.1	19	15.9	22.2	5.0	M6×1.0	0.34
UC207	35	72	42.9	20	17.5	25.4	7.0	M8×1.0	0.52
UC208	40	80	49.2	21	19.0	30.2	8.0	M8×1.0	0.68
UC209	45	85	49.2	22	19.0	30.2	8.0	M8×1.0	0.78
UC210	50	90	51.6	22	19.0	32.6	10.0	M10×1.25	0.85
UC211	55	100	55.6	25	22.2	33.4	10.0	M10×1.25	1.22
UC212	60	110	65.1	27	25.4	39.7	10.0	M10×1.25	1.65
UC213	65	120	65.1	29	25.4	39.7	10.0	M10×1.25	1.96
UC214	70	125	74.6	30	30.2	44.4	12.0	M12×1.5	2.06
UC215	75	130	77.8	30	33.3	44.5	12.0	M12×1.5	2.30
UC216	80	140	82.6	33	33.3	49.3	12.0	M12×1.5	2.79
UC217	85	150	85.7	35	34.1	51.6	12.0	M12×1.5	3.59
UC218	90	160	96.0	37	39.7	56.3	12.0	M12×1.5	4.56

UC300 Series Pillow Block Bearings Size Chart:

Bearing No.	Shaft Dia	Dimensions(mm)							Weight (kg)
	d	Dimensions(mm)
	mm	D	Bi	Be	n	m	G	ds
	mm	D	Bi	Be	n	m	G	mm
UC305	25	62	38	20	15	23	6	M6×1.0	0.35
UC306	30	72	43	23	17	26	6	M8×1.0	0.56
UC307	35	80	48	25	19	29	8	M8×1.0	0.71
UC308	40	90	52	27	19	33	10	M10×1.25	1.00
UC309	45	100	57	29	22	35	10	M10×1.25	1.36
UC310	50	110	61	32	22	39	12	M12×1.50	1.65
UC311	55	120	66	34	25	41	12	M12×1.50	2.08
UC312	60	130	71	36	26	45	12	M12×1.50	2.60
UC313	65	140	75	38	30	45	12	M12×1.50	3.24
UC314	70	150	78	40	33	45	12	M12×1.50	3.91
UC315	75	160	82	42	32	50	14	M14×1.50	4.70
UC316	80	170	86	44	34	52	16	M16×1.50	5.06
UC317	85	180	96	46	40	56	16	M16×1.50	6.9
UC318	90	190	96	48	40	56	16	M16×1.50	8.03
UC319	95	200	103	50	41	62	16	M16×1.50	8.91
UC320	100	215	108	54	42	66	18	M18×1.50	11.2

SB200 Series Pillow Block Bearings Size Chart:

Bearing No.	Shaft Dia	Dimensions(mm)							Weight (kg)
	d	Dimensions(mm)
	mm	D	Bi	Be	n	m	G	ds
	mm	D	Bi	Be	n	m	G	mm
SB203	17	40	22	12	6.0	16.0	4.5	M5×0.8	0.07
SB204	20	47	25	14	7.0	18.0	5.0	M6×1.0	0.13
SB205	25	52	27	15	7.5	19.5	5.0	M6×1.0	0.18
SB206	30	62	30	16	8.0	22.0	6.0	M6×1.0	0.26
SB207	35	72	32	17	8.5	23.5	7.0	M6×1.0	0.43
SB208	40	80	34	18	9.0	25.0	8.0	M6×1.0	0.60

SA200 Series Pillow Block Bearings Size Chart:

Bearing No.	Shaft Dia	Dimensions(mm)									Weight (kg)
	d	Dimensions(mm)
	mm	D	Be	l	Bi	n	d1	H	G	ds
	mm	D	Be	l	Bi	n	d1	H	G	mm
SA203	17	40	13	28.6	19.1	6.5	28.6	13.5	5.0	M6×1.0	0.12
SA204	20	47	15	31.0	21.5	7.5	33.3	13.5	5.0	M6×1.0	0.13
SA205	25	52	15	31.0	21.5	7.5	38.1	13.5	5.0	M6×1.0	0.21
SA206	30	62	18	35.7	23.8	9.0	44.5	15.9	6.0	M6×1.0	0.33
SA207	35	72	19	38.9	25.4	9.5	55.0	17.5	6.5	M8×1.0	0.56
SA208	40	80	22	43.7	30.2	11	60.3	18.3	6.5	M8×1.0	0.69

UK200 Series Pillow Block Bearings Size Chart:

BearingNo.	Shaft Dia	Dimensions(mm)					Weight (kg)
	d	Dimensions(mm)
	mm	D	Bi	Be	n	m
UK205	20	25	52	17	23	35	0.24
UK206	25	30	62	19	26	38	0.40
UK207	30	35	72	20	28	43	0.55
UK208	35	40	80	21	29	46	0.72
UK209	40	45	85	22	30	50	0.80
UK210	45	50	90	22	32	55	0.93
UK211	50	55	100	25	36	59	1.91
UK212	55	60	110	27	38	62	1.52
UK213	60	65	120	29	40	65	1.91
UK215	65	75	130	30	43	73	2.56
UK216	70	80	140	33	46	78	3.23
UK217	75	85	150	35	48	82	3.93
UK218	80	90	160	37	50	86	4.75

UCP200 Series Pillow Block Bearings Size Chart:

Bearing Unit No.	Shaft Dia	Dimensions(mm)										Weight (kg)
	d	Dimensions(mm)
	mm	h	a	e	b	S1	S2	g	w	n	Bi
UCP202	15	30.2	127	95	38	13	19	14	62	11.5	27.4	0.63
UCP203	17	30.2	127	95	38	13	19	14	62	11.5	27.4	0.60
UCP204	20	33.3	127	95	38	13	19	14	65	12.3	31.0	0.66
UCP205	25	36.5	140	105	38	13	19	15	71	14.3	34.1	0.80
UCP206	30	42.9	165	121	48	17	21	17	83	15.9	38.1	1.30
UCP207	35	47.6	167	127	48	17	21	18	93	17.5	42.9	1.60
UCP208	40	49.2	184	137	54	17	21	18	98	19.0	49.2	1.83
UCP209	45	54.0	190	146	54	17	21	20	106	19.0	49.2	2.18
UCP210	50	57.2	206	159	60	20	25	21	114	19.0	51.6	2.68
UCP211	55	63.5	219	171	60	20	25	23	126	22.2	55.6	3.27
UCP212	60	69.8	241	184	70	20	25	25	138	25.4	65.1	4.52
UCP213	65	76.2	265	203	70	25	29	27	151	25.4	65.1	5.70
UCP214	70	79.4	266	210	72	25	31	27	157	30.2	74.6	6.66
UCP215	75	82.6	275	217	74	25	31	28	163	33.3	77.8	7.40
UCP216	80	88.9	292	232	78	25	31	30	175	33.3	82.6	9.00
UCP217	85	95.2	310	247	83	25	31	32	1870	34.1	85.7	11.00
UCP218	90	101.6	327	262	88	27	33	33	200	39.7	96.0	13.00

UCF200 Series Pillow Block Bearings Size Chart:

Bearing Unit No.	Shaft Dia	Dimensions(mm)									Weight (kg)
	d	Dimensions(mm)
	mm	a	e	i	g	l	z	s	n	Bi
UCF202	15	86	64	15	11	25.5	30.9	12	11.5	27.4	0.56
UCF203	17	86	64	15	11	25.5	30.9	12	11.5	27.4	0.54
UCF 204	20	86	64	15	11	25.5	33.7	12	12.3	31.0	0.61
UCF205	25	95	70	16	13	27.0	35.8	12	14.3	34.1	0.80
UCF206	30	108	83	18	13	31.0	40.2	12	15.9	38.1	1.11
UCF207	35	117	92	19	15	34.0	44.4	14	17.5	42.9	1.66
UCF208	40	130	102	21	15	36.0	51.2	16	19.0	49.2	1.93
UC209	45	137	105	22	16	38.0	52.2	16	19.0	49.2	2.28
UCF210	50	143	111	22	16	40.0	54.6	16	19.0	51.6	2.57
UCF211	55	162	130	25	18	43.0	58.4	19	22.2	55.6	3.98
UCF212	60	175	143	29	18	48.0	68.7	19	25.4	65.1	4.30
UCF213	65	187	149	30	22	50.0	69.7	19	25.4	65.1	5.49
UCF214	70	193	152	31	22	54.0	75.4	19	330.2	74.6	6.47
UCF215	75	200	159	34	22	56.0	78.5	19	33.3	77.8	6.54
UCF216	80	208	165	34	22	58.0	83.3	23	33.3	82.6	7.86
UCF217	85	220	175	36	24	63.0	87.6	23	34.1	85.7	9.77
UCF218	90	235	187	40	24	68.0	96.3	23	39.7	96.0	11.72

UCFL200 Series Pillow Block Bearings Size Chart:

Bearing Unit No.	Shaft Dia	Dimensions(mm)										Weight (kg)
	d	Dimensions(mm)
	mm	a	e	b	i	g	l	z	s	n	Bi
UCFL202	15	113	90	60	15	12	25.5	30.9	12	11.5	27.4	0.42
UCFL203	17	113	90	60	15	12	25.5	30.3	12	11.5	27.4	0.41
UCFL204	20	113	90	60	15	12	25.5	33.7	12	12.3	31.0	0.48
UCFL205	25	130	99	68	16	14	27.0	35.8	16	14.3	34.1	0.60
UCFL206	30	148	117	80	18	14	31.0	40.2	16	15.9	38.1	0.98
UCFL207	35	161	130	90	19	16	34.0	44.4	16	17.5	42.9	1.31
UCFL208	40	175	144	100	21	16	36.0	51.2	16	19.0	49.2	1.53
UCFL209	45	188	148	108	22	18	38.0	52.2	19	19.0	49.2	1.68
UCFL210	50	197	157	115	22	18	40.0	54.6	19	19.0	51.6	1.88
UCFL211	55	224	184	130	25	20	43.0	58.4	19	22.2	55.6	3.10
UCFL212	60	250	202	140	29	20	48.0	68.7	23	25.4	65.1	4.00
UCFL213	65	258	210	155	30	24	50.0	69.7	23	25.4	65.1	5.00
UCFL214	70	265	216	160	31	24	54.0	75.4	23	30.2	74.6	5.60
UCFL215	75	275	225	165	34	24	56.0	78.5	23	33.3	77.8	6.20
UCFL216	80	290	233	180	34	24	58.0	83.3	25	33.3	82.6	8.20
UCFL217	85	305	248	190	36	26	63.0	87.6	25	34.1	85.7	9.26
UCFL218	90	320	265	205	40	26	68.0	96.3	25	39.7	96.0	11.73

UCFC200 Series Pillow Block Bearings Size Chart:

Bearing Unit No.	Shaft Dia	Dimensions(mm)												Weight (kg)
	d	Dimensions(mm)
	mm	a	p	i	g	j	k	s	e	f	z	n	Bi
UCFC202	15	100	78	10	20.5	5	7	12	55.1	62	25.9	11.5	27.4	0.77
UCFC203	17	100	78	10	20.5	5	7	12	55.1	62	25.9	11.5	27.4	0.76
UCFC204	20	100	78	10	20.5	5	7	12	55.1	62	28.7	12.3	31.0	0.81
UCFC205	25	115	90	10	21.0	6	7	12	63.6	70	29.8	14.3	34.1	1.09
UCFC206	30	125	100	10	23.0	8	8	12	70.7	80	32.2	15.9	38.1	1.51
UCFC207	35	135	110	11	26.0	8	9	14	77.8	90	36.4	17.5	42.9	1.98
UCFC208	40	145	120	11	26.0	10	9	14	84.8	100	41.2	19.0	49.2	2.32
UCFC209	45	160	132	10	26.0	12	14	16	93.3	105	4.02	19.0	49.2	3.07
UCFC210	50	165	138	10	28.0	12	14	16	97.6	110	42.6	19.0	51.6	3.28
UCFC211	55	185	150	13	31.0	12	15	19	106.1	125	46.4	22.2	55.6	4.20
UCFC212	60	195	160	17	36.0	12	15	19	113.1	135	56.7	25.4	65.1	5.45
UCFC213	65	205	170	16	36.0	14	15	19	120.2	145	55.7	11.5	65.1	5.91
UCFC214	70	215	177	17	40.0	14	18	19	125.1	150	61.4	11.5	74.6	7.26
UCFC215	75	220	184	18	40.0	16	18	19	130.1	160	62.5	11.5	77.8	8.02
UCFC216	80	240	200	18	42.0	16	18	23	141.4	170	67.3	12.3	82.6	9.92
UCFC217	85	250	208	18	45.0	18	20	23	147.1	180	69.6	33.3	87.5	11.58
UCFC218	90	265	220	22	50.0	18	20	23	155.5	190	78.3	39.7	96.0	13.74

UCT200 Series Pillow Block Bearings Size Chart:

Bearing Unit No.	Shaft Dia	Dimensions(mm)															Weight (kg)
	d	Dimensions(mm)
	mm	o	g	s	p	q	b	k	e	a	w	j	i	h	n	Bi
UCT202	15	16	10	51	32	19	51	12	76	89	94	32	21	61	11.5	27.4	0.78
UCT203	17	16	10	51	32	19	51	12	76	89	94	32	21	61	11.5	27.4	0.77
UCT 204	20	16	10	51	32	19	51	12	76	89	94	32	21	61	12.3	31.0	0.81
UCT205	25	16	10	51	32	19	51	12	76	89	97	32	24	62	14.3	34.1	0.92
UCT206	30	16	10	56	37	22	57	12	89	102	113	37	28	70	15.9	38.1	1.01
UCT207	35	16	13	64	37	22	64	12	89	102	129	37	30	78	17.5	42.9	1.70
UCT208	40	19	16	83	49	29	83	16	102	114	144	49	33	88	19.0	49.2	2.43
UCT209	45	19	16	83	49	29	83	16	102	117	144	49	35	87	19.0	49.2	2.58
UCT210	50	19	16	83	49	29	86	16	102	117	149	49	37	90	19.0	51.6	2.78
UCT211	55	25	19	102	64	35	95	22	130	146	171	61	38	106	22.2	55.6	4.17
UCT212	60	32	19	102	64	35	102	22	130	146	194	61	42	119	25.4	65.1	4.90
UCT213	65	32	21	111	70	41	121	26	151	167	224	70	44	137	11.5	27.4	7.30
UCT214	70	32	21	111	70	41	121	26	151	167	224	70	46	137	11.5	27.4	7.36
UCT215	75	32	21	111	70	41	121	26	151	167	232	70	48	140	11.5	27.4	7.99
UCT216	80	32	21	111	70	41	121	26	165	184	235	70	51	140	12.3	31.0	8.92
UCT217	85	38	29	124	73	48	157	30	173	198	260	73	54	162	14.3	34.1	11.46
UCT218	90	40	30	130	80	48	140	30	190	215	275	80	55	170	14.3	34.1	14.76

UCPH200 Series Pillow Block Bearings Size Chart:

Bearing Unit No.	Shaft Dia	Dimensions(mm)										Weight (kg)
	d	Dimensions(mm)
	mm	h	a	e	b	S1	S2	g	w	n	Bi
UCPH202	15	70	127	95	40	13	19	15	101	11.5	27.4	0.92
UCPH203	17	70	127	95	40	13	19	15	101	11.5	27.4	0.91
UCPH204	20	70	127	95	40	13	19	15	101	12.3	31.0	0.96
UCPH205	25	80	140	105	50	13	19	16	114	14.3	34.1	1.20
UCPH206	30	90	165	121	50	17	21	18	130	15.9	38.1	1.60
UCPH207	35	95	167	127	60	17	21	19	140	17.5	42.9	2.10
UCPH208	40	100	184	137	70	17	25	19	149	19.0	49.2	2.70
UCPH209	45	105	190	146	70	17	25	20	157	19.0	49.2	3.10
UCPH210	50	110	206	159	70	20	25	22	165	19.0	51.6	3.50

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Useful guides

Mounted bearing guides for shaft support and replacement planning

Use these guides when the bearing family is already close, but the final choice still depends on load, speed, environment, layout, or replacement context.

Bearing guide

How Pillow Block Bearings Are Chosen for Shaft Support, Alignment, and Easy Maintenance

A maintenance-focused guide for reducing avoidable bearing problems and preparing more accurate replacement details.

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Set-Screw vs Eccentric Locking Pillow Block Bearings: Which Housing Setup Is Better?

A comparison guide that helps buyers narrow the bearing style, material, or layout before choosing a supply route.

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Production Lines Need a Pillow Block Bearing Manufacturer for Consistent…

A sourcing guide for checking supplier fit, repeat-order support, specification review, and communication before purchasing.

Questions that help before the next bearing decision after Pillow Block Bearings Introduction

Which next options usually help after reviewing Pillow Block Bearings Introduction?

Most buyers benefit from one broader family destination, one more commercial route, and one supporting guide that answers the next practical question. That combination usually turns research into a clearer shortlist.

Why add related bearing destinations beside Pillow Block Bearings Introduction?

Because the first answer often leads to a second question about fit, applications, supplier choice, or repeat-order confidence. Keeping those next destinations close reduces unnecessary backtracking.

When is it worth moving from reading into a quote or product review?

That move usually makes sense once the topic has narrowed the likely bearing family and the remaining unknowns are commercial, dimensional, or application-specific rather than purely educational.

What usually makes the next bearing decision easier after Pillow Block Bearings Introduction?

The process is often easier when the wider family view, the more commercial destination, and one practical guide stay visible together. That keeps the decision grounded in both application detail and buying reality.

Buyer FAQ

Questions buyers ask before choosing the next bearing option

What is the main takeaway from Pillow Block Bearings Introduction?

The main takeaway is that pillow block bearings introduction should be checked against the bearing family, dimensions, load direction, speed, and operating conditions instead of relying on the title or size alone.

When should I use this guide before requesting a quote?

Use the guide when you are comparing bearing models, checking suffix meanings, confirming seal or clearance choices, planning maintenance, or preparing details for replacement, production, or OEM sourcing.

How does this topic connect to pillow block bearings?

The topic supports the Pillow Block Bearings decision path by helping buyers understand fit, performance, specification details, or maintenance factors before choosing a product page or contacting the team.

Can this guide replace a final specification check?

No. The guide helps prepare the decision, but a final check should still confirm the part number, dimensions, load, speed, seal, clearance, precision, application, and order quantity.

What should I send if I need help after reading this guide?

Send the bearing number, measured size, photos if available, application, quantity, and any special operating conditions. That gives the team enough context to recommend the right product family or quote route.

Need help checking fit, price, or lead time? Request a bearing quote

Blog

Pillow Block Bearings Feature:

Classification:

UC200 Series Pillow Block Bearings Size Chart:

UC300 Series Pillow Block Bearings Size Chart:

SB200 Series Pillow Block Bearings Size Chart:

SA200 Series Pillow Block Bearings Size Chart:

UK200 Series Pillow Block Bearings Size Chart:

UCP200 Series Pillow Block Bearings Size Chart:

UCF200 Series Pillow Block Bearings Size Chart:

UCFL200 Series Pillow Block Bearings Size Chart:

UCFC200 Series Pillow Block Bearings Size Chart:

UCT200 Series Pillow Block Bearings Size Chart:

UCPH200 Series Pillow Block Bearings Size Chart:

Contact Us:

Mounted bearing guides for shaft support and replacement planning

How Pillow Block Bearings Are Chosen for Shaft Support, Alignment, and Easy Maintenance

Set-Screw vs Eccentric Locking Pillow Block Bearings: Which Housing Setup Is Better?

Production Lines Need a Pillow Block Bearing Manufacturer for Consistent…

Useful next decisions after Pillow Block Bearings Introduction

Questions that help before the next bearing decision after Pillow Block Bearings Introduction

Questions buyers ask before choosing the next bearing option