NACHI UCP 300 Pillow Block Units (Medium Duty, Metric & Inch)

NACHI UCP 300 pillow block units, medium duty (diameter series 3), shaft diameters 25-140 mm, 7/8 in to 4 in.

Key features

Pre-assembled unit of insert ball bearing and pillow block housing
Spherical outer ring seat lets the bearing self-align in the housing
Shaft locking by set screw
Metric and inch shaft sizes where listed; bearing and housing numbers given for replacement parts
Most NACHI bearing units are dimensionally interchangeable with units of other makers

Specifications

Brand	NACHI
Series	UCP 300
Unit type	Pillow block, cast iron
Shaft locking	Set screw
Shaft range	25-140 mm, 7/8 in to 4 in
Source	NACHI Ball Bearing Units catalogue, p. 11

UCP305		Shaft: 25 mm \| Bearing: UC305 \| Housing: P305
UCP306		Shaft: 30 mm \| Bearing: UC306 \| Housing: P306
UCP307		Shaft: 35 mm \| Bearing: UC307 \| Housing: P307
UCP308		Shaft: 40 mm \| Bearing: UC308 \| Housing: P308
UCP309		Shaft: 45 mm \| Bearing: UC309 \| Housing: P309
UCP310		Shaft: 50 mm \| Bearing: UC310 \| Housing: P310
UCP311		Shaft: 55 mm \| Bearing: UC311 \| Housing: P311
UCP312		Shaft: 60 mm \| Bearing: UC312 \| Housing: P312
UCP313		Shaft: 65 mm \| Bearing: UC313 \| Housing: P313
UCP314		Shaft: 70 mm \| Bearing: UC314 \| Housing: P314
UCP315		Shaft: 75 mm \| Bearing: UC315 \| Housing: P315
UCP316		Shaft: 80 mm \| Bearing: UC316 \| Housing: P316
UCP317		Shaft: 85 mm \| Bearing: UC317 \| Housing: P317
UCP318		Shaft: 90 mm \| Bearing: UC318 \| Housing: P318
UCP319		Shaft: 95 mm \| Bearing: UC319 \| Housing: P319
UCP320		Shaft: 100 mm \| Bearing: UC320 \| Housing: P320
UCP321		Shaft: 105 mm \| Bearing: UC321 \| Housing: P321
UCP322		Shaft: 110 mm \| Bearing: UC322 \| Housing: P322
UCP324		Shaft: 120 mm \| Bearing: UC324 \| Housing: P324
UCP326		Shaft: 130 mm \| Bearing: UC326 \| Housing: P326
UCP328		Shaft: 140 mm \| Bearing: UC328 \| Housing: P328
UCP305-14		Shaft: 7/8 in \| Bearing: UC305-14 \| Housing: P305
UCP305-16		Shaft: 1 in \| Bearing: UC305-16 \| Housing: P305
UCP306-18		Shaft: 1-1/8 in \| Bearing: UC306-18 \| Housing: P306
UCP307-20		Shaft: 1-1/4 in \| Bearing: UC307-20 \| Housing: P307
UCP307-22		Shaft: 1-3/8 in \| Bearing: UC307-22 \| Housing: P307
UCP308-24		Shaft: 1-1/2 in \| Bearing: UC308-24 \| Housing: P308
UCP309-26		Shaft: 1-5/8 in \| Bearing: UC309-26 \| Housing: P309
UCP309-28		Shaft: 1-3/4 in \| Bearing: UC309-28 \| Housing: P309
UCP310-30		Shaft: 1-7/8 in \| Bearing: UC310-30 \| Housing: P310
UCP311-32		Shaft: 2 in \| Bearing: UC311-32 \| Housing: P311
UCP311-34		Shaft: 2-1/8 in \| Bearing: UC311-34 \| Housing: P311
UCP312-36		Shaft: 2-1/4 in \| Bearing: UC312-36 \| Housing: P312
UCP312-38		Shaft: 2-3/8 in \| Bearing: UC312-38 \| Housing: P312
UCP313-40		Shaft: 2-1/2 in \| Bearing: UC313-40 \| Housing: P313
UCP314-44		Shaft: 2-3/4 in \| Bearing: UC314-44 \| Housing: P314
UCP315-48		Shaft: 3 in \| Bearing: UC315-48 \| Housing: P315
UCP316-50		Shaft: 3-1/8 in \| Bearing: UC316-50 \| Housing: P316
UCP317-52		Shaft: 3-1/4 in \| Bearing: UC317-52 \| Housing: P317
UCP318-56		Shaft: 3-1/2 in \| Bearing: UC318-56 \| Housing: P318
UCP319-60		Shaft: 3-3/4 in \| Bearing: UC319-60 \| Housing: P319
UCP320-64		Shaft: 4 in \| Bearing: UC320-64 \| Housing: P320

Mounted Bearing UnitsNACHI

42 product codes available in this family

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NACHI UCP 300 Pillow Block Units (Medium Duty, Metric & Inch)

Brand NACHI·Mounted Bearing Units

Available part numbers (42)

UCP305, UCP306, UCP307, UCP308, UCP309, UCP310, UCP311, UCP312, UCP313, UCP314 + 32 more — see full table ↓

How to order

Send the NACHI part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications

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RFQ List (0)

	Product code	Spec
	UCP305	Shaft: 25 mm \| Bearing: UC305 \| Housing: P305
	UCP306	Shaft: 30 mm \| Bearing: UC306 \| Housing: P306
	UCP307	Shaft: 35 mm \| Bearing: UC307 \| Housing: P307
	UCP308	Shaft: 40 mm \| Bearing: UC308 \| Housing: P308
	UCP309	Shaft: 45 mm \| Bearing: UC309 \| Housing: P309
	UCP310	Shaft: 50 mm \| Bearing: UC310 \| Housing: P310
	UCP311	Shaft: 55 mm \| Bearing: UC311 \| Housing: P311
	UCP312	Shaft: 60 mm \| Bearing: UC312 \| Housing: P312
	UCP313	Shaft: 65 mm \| Bearing: UC313 \| Housing: P313
	UCP314	Shaft: 70 mm \| Bearing: UC314 \| Housing: P314
	UCP315	Shaft: 75 mm \| Bearing: UC315 \| Housing: P315
	UCP316	Shaft: 80 mm \| Bearing: UC316 \| Housing: P316
	UCP317	Shaft: 85 mm \| Bearing: UC317 \| Housing: P317
	UCP318	Shaft: 90 mm \| Bearing: UC318 \| Housing: P318
	UCP319	Shaft: 95 mm \| Bearing: UC319 \| Housing: P319
	UCP320	Shaft: 100 mm \| Bearing: UC320 \| Housing: P320
	UCP321	Shaft: 105 mm \| Bearing: UC321 \| Housing: P321
	UCP322	Shaft: 110 mm \| Bearing: UC322 \| Housing: P322
	UCP324	Shaft: 120 mm \| Bearing: UC324 \| Housing: P324
	UCP326	Shaft: 130 mm \| Bearing: UC326 \| Housing: P326
	UCP328	Shaft: 140 mm \| Bearing: UC328 \| Housing: P328
	UCP305-14	Shaft: 7/8 in \| Bearing: UC305-14 \| Housing: P305
	UCP305-16	Shaft: 1 in \| Bearing: UC305-16 \| Housing: P305
	UCP306-18	Shaft: 1-1/8 in \| Bearing: UC306-18 \| Housing: P306
	UCP307-20	Shaft: 1-1/4 in \| Bearing: UC307-20 \| Housing: P307
	UCP307-22	Shaft: 1-3/8 in \| Bearing: UC307-22 \| Housing: P307
	UCP308-24	Shaft: 1-1/2 in \| Bearing: UC308-24 \| Housing: P308
	UCP309-26	Shaft: 1-5/8 in \| Bearing: UC309-26 \| Housing: P309
	UCP309-28	Shaft: 1-3/4 in \| Bearing: UC309-28 \| Housing: P309
	UCP310-30	Shaft: 1-7/8 in \| Bearing: UC310-30 \| Housing: P310
	UCP311-32	Shaft: 2 in \| Bearing: UC311-32 \| Housing: P311
	UCP311-34	Shaft: 2-1/8 in \| Bearing: UC311-34 \| Housing: P311
	UCP312-36	Shaft: 2-1/4 in \| Bearing: UC312-36 \| Housing: P312
	UCP312-38	Shaft: 2-3/8 in \| Bearing: UC312-38 \| Housing: P312
	UCP313-40	Shaft: 2-1/2 in \| Bearing: UC313-40 \| Housing: P313
	UCP314-44	Shaft: 2-3/4 in \| Bearing: UC314-44 \| Housing: P314
	UCP315-48	Shaft: 3 in \| Bearing: UC315-48 \| Housing: P315
	UCP316-50	Shaft: 3-1/8 in \| Bearing: UC316-50 \| Housing: P316
	UCP317-52	Shaft: 3-1/4 in \| Bearing: UC317-52 \| Housing: P317
	UCP318-56	Shaft: 3-1/2 in \| Bearing: UC318-56 \| Housing: P318
	UCP319-60	Shaft: 3-3/4 in \| Bearing: UC319-60 \| Housing: P319
	UCP320-64	Shaft: 4 in \| Bearing: UC320-64 \| Housing: P320

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NACHI UCP 300 Pillow Block Units (Medium Duty, Metric & Inch)