9mm OD Bearings | McMaster-Carr

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About Plastic

About Ball and Roller Bearings

About Plain Bearings

Stainless Steel Ball Bearings

Bearings are 440C stainless steel for good corrosion resistance.

Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.

For technical drawings and 3-D models, click on a part number.

Shielded

					Radial Load Cap., lbs.
Bearing Trade Number	For Shaft Dia.	For Housing ID	Wd.	Ring Material	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	ABEC Rating		Each
95-2Z	5mm	9mm	3mm	440C Stainless Steel	95	30	60,000	Lubricated	-40° to 240°	ABEC-5	00000000	00000

Permanently Lubricated Stainless Steel Ball Bearings

A solid polymer lubricant surrounds the balls, eliminating the need for additional lubrication. The solid lubricant blocks out water and dust, extending the life of the bearing.

Sealed bearings have even better resistance to dust and contaminants than open bearings.

For technical drawings and 3-D models, click on a part number.

Metric Bearings

					Radial Load Cap., lbs.
Bearing Trade Number	For Shaft Dia., mm	For Housing ID, mm	Wd., mm	Ring Material	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	ABEC Rating		Each
Open
603	3	9	3	440C Stainless Steel	65	20	50,000	Lubricated	-10° to 200°	ABEC-1	00000000	000000
684	4	9	2.5	440C Stainless Steel	80	35	46,000	Lubricated	-10° to 200°	ABEC-1	00000000	00000
Sealed
684-2RS	4	9	4	440C Stainless Steel	80	30	46,000	Lubricated	-10° to 200°	ABEC-1	00000000	00000

Food Industry Permanently Lubricated Stainless Steel Ball Bearings

Good for applications with incidental food contact, these 440C stainless steel bearings have a food-grade, solid polymer lubricant between the balls and ring that eliminates the need for additional lubrication. The solid lubricant blocks out water and dust, extending the life of the bearing.

Sealed bearings have even better resistance to dust and contaminants than open bearings.

For technical drawings and 3-D models, click on a part number.

Metric Bearings

					Radial Load Cap., lbs.
Bearing Trade Number	For Shaft Dia., mm	For Housing ID, mm	Wd., mm	Ring Material	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	ABEC Rating	Specifications Met		Each
Sealed
684-2RS	4	9	4	440C Stainless Steel	140	50	46,000	Lubricated	-40° to 200°	ABEC-1	FDA Compliant 21 CFR 178.3570	00000000	000000

Flanged Ball Bearings

The flange ensures proper positioning inside a tube or housing.

440C stainless steel bearings are more corrosion resistant than steel bearings.

Open bearings dissipate heat more efficiently than shielded and sealed bearings.

Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.

For technical drawings and 3-D models, click on a part number.

Open

Flanged Bearing

				Flange			Radial Load Cap., lbs.
Bearing Trade Number	For Shaft Dia.	For Housing ID	Wd.	OD	Thick.	Ring Material	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	ABEC Rating		Each
95	5mm	9mm	2.5mm	10.2mm	0.6mm	440C Stainless Steel	70	30	71,000	Lubricated	-50° to 300°	ABEC-3	000000000	000000
95	5mm	9mm	2.5mm	10.2mm	0.6mm	Steel	90	35	71,000	Lubricated	-50° to 300°	ABEC-3	000000000	00000
684	4mm	9mm	2.5mm	10.3mm	0.6mm	440C Stainless Steel	120	40	75,000	Lubricated	-50° to 300°	ABEC-3	000000000	00000

Shielded

Flanged Bearing

				Flange			Radial Load Cap., lbs.
Bearing Trade Number	For Shaft Dia.	For Housing ID	Wd.	OD	Thick.	Ring Material	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	ABEC Rating		Each
95-2Z	5mm	9mm	3mm	10.2mm	0.6mm	440C Stainless Steel	95	30	60,000	Lubricated	-20° to 250°	ABEC-5	00000000	00000
95-2Z	5mm	9mm	3mm	10.2mm	0.6mm	Steel	90	35	60,000	Lubricated	-50° to 300°	ABEC-3	000000000	00000
603-2Z	3mm	9mm	5mm	10.5mm	1mm	Steel	120	40	66,000	Lubricated	-50° to 300°	ABEC-3	000000000	00000

Thrust Ball Bearings

Steel balls and washers allow these bearings to handle higher loads than bearings with stainless steel components. With an open design, they dissipate heat more efficiently than one-piece thrust ball bearings.

For technical drawings and 3-D models, click on a part number.

					Thrust Load Cap., lbs.
For Shaft Dia.	OD	Thick.	Cage Material	Washer Material	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	Includes		Each
Open
4mm	9mm	4mm	Bronze	Steel	160	260	12,000	Required	-60° to 250°	Two Washers	0000000	00000
4mm	9mm	4.13mm	Nylon Plastic	Steel	7	51	5,000	Required	-40° to 220°	Two Washers	0000000	0000

Corrosion-Resistant Thrust Ball Bearings

A combination of stainless steel and nylon components provide increased corrosion resistance over standard thrust ball bearings. With an open design, they dissipate heat more efficiently than one-piece thrust ball bearings.

For technical drawings and 3-D models, click on a part number.

					Thrust Load Cap., lbs.
For Shaft Dia.	OD	Thick.	Cage Material	Washer Material	Dynamic	Static	Max. Speed, rpm	Lubrication	Temp. Range, °F	Includes		Each
Open
4mm	9mm	4.13mm	Nylon Plastic	410 Stainless Steel	4.5	35	5,000	Required	-40° to 220°	Two Washers	0000000	00000

Needle-Roller Bearings

Also known as drawn-cup roller bearings, these are our thinnest roller bearings. The outer ring is drawn out to form a lip that holds the bearing together. Bearings take on the shape of their housing and may be oblong prior to installation.

Open bearings dissipate heat more efficiently than sealed bearings.

For technical drawings and 3-D models, click on a part number.

				Radial Load Cap., lbs.
For Shaft Dia.	For Housing ID	Wd.	Ring Material	Dynamic	Static	Max. Speed, rpm	Lubrication	For Shaft Surface Smoothness (Ra), microinch	Temp. Range, °F	Specifications Met		Each
Open
5mm	9mm	9mm	Steel	540	440	39,000	Required	8	-40° to 280°	DIN 618, ISO 3245	00000000	00000

Light Duty Dry-Running Sleeve Bearings

Use where high loads and speeds are not required.

Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.

For technical drawings and 3-D models, click on a part number.

Metric Nylon Bearings
For Housing ID	Lg.	Dynamic Radial Load Capacity	Color	Temperature Range, °F		Each
For 6mm Shaft Dia.
9mm	4mm	12 lbs. @ 120 rpm	Off-White	-10° to 220°	00000000	000000
9mm	6mm	18 lbs. @ 120 rpm	Off-White	-10° to 220°	00000000	00000
9mm	10mm	31 lbs. @ 120 rpm	Off-White	-10° to 220°	00000000	00000
9mm	12mm	37 lbs. @ 120 rpm	Off-White	-10° to 220°	0000000	00000
9mm	16mm	50 lbs. @ 120 rpm	Off-White	-10° to 220°	00000000	00000

Chemical-Resistant Dry-Running Sleeve Bearings

PEEK Plastic

These bearings stand up to a wider range of chemicals than other dry-running sleeve bearings.

PEEK bearings are lightweight and strong.

Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.

For technical drawings and 3-D models, click on a part number.

Metric PEEK Plastic Bearings
For Housing ID	Lg.	Dynamic Radial Load Cap.	Color	Temp. Range, °F		Each
For 6mm Shaft Dia.
9mm	8mm	140 lbs. @ 120 rpm	Gold	-20° to 480°	00000000	000000

Water-Resistant Dry-Running Sleeve Bearings

Good for underwater applications, these bearings won’t swell or warp when wet.

Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.

For technical drawings and 3-D models, click on a part number.

Rulon LR Plastic Bearings
ID	For Housing ID	Lg.	Dynamic Radial Load Capacity	Color	Temperature Range, °F		Each
For 6mm Shaft Dia.
6mm	9mm	8mm	70 lbs. @ 120 rpm	Maroon	-400° to 500°	00000000	000000

Light Duty Dry-Running Flanged Sleeve Bearings

Use where high loads and speeds are not required.

Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.

For technical drawings and 3-D models, click on a part number.

Nylon Bearings
For Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Color	Temperature Range, °F		Each
For 6mm Shaft Dia.
9mm	6mm	12mm	1.5mm	22 lbs. @ 120 rpm	26 lbs. @ 120 rpm	White	-20° to 210°	00000000	00000
9mm	10mm	12mm	1.5mm	37 lbs. @ 120 rpm	26 lbs. @ 120 rpm	White	-20° to 210°	00000000	0000
9mm	12mm	12mm	1.5mm	44 lbs. @ 120 rpm	26 lbs. @ 120 rpm	White	-20° to 210°	00000000	0000
9mm	16mm	12mm	1.5mm	55 lbs. @ 120 rpm	26 lbs. @ 120 rpm	White	-20° to 210°	00000000	0000

Ultra-Low-Friction Dry-Running Flanged Sleeve Bearings

Use these bearings in applications with frequent starts and stops because they operate with very little friction.

PTFE bearings have good chemical resistance.

Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.

For technical drawings and 3-D models, click on a part number.

PTFE Plastic Bearings
For Housing ID	Lg.	Flange OD	Flange Thick.	Dynamic Radial Load Capacity	Dynamic Thrust Load Capacity	Color	Temperature Range, °F	Specifications Met		Each
For 6 mm Shaft Dia.
9mm	10mm	12mm	1.5mm	12 lbs. @ 120 rpm	8.5 lbs. @ 120 rpm	White	-200° to 450°	FDA Compliant 21 CFR 177.1550	00000000	000000

Light Duty Dry-Running Thrust Bearings

Use where high loads and speeds are not required.

Thermoplastic bearings are fiber reinforced and lubricant infused for good wear resistance and low friction with light and medium loads.

Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.

For technical drawings and 3-D models, click on a part number.

Thermoplastic Blend Bearings
OD	Thick.	Dynamic Thrust Load Capacity	Color	Temp. Range, °F		Each
For 4 mm Shaft Dia.
9mm	0.6mm	8.5 lbs. @ 120 rpm	Gray	-40° to 260°	0000000	00000

Clear Impact-Resistant Polycarbonate Tubes

Color: Clear
Temperature Range: -40° to 200° F
Tensile Strength: 8,900-9,500 psi (Good)
Impact Strength: 12-18 ft.-lbs./in. (Excellent)
Hardness: Rockwell R118 (Hard)
For Use Outdoors: No

Comparable to Lexan, Hyzod, Tuffak, and Makrolon, these polycarbonate tubes are half the weight of glass and maintain excellent impact resistance across a wide temperature range. Use them to make instrument gauge covers and display racks.

For technical drawings and 3-D models, click on a part number.

Metric Round Tubes

					8 ft. Lg.
OD, mm	OD Tolerance, mm	ID, mm	ID Tolerance, mm	Specifications Met		Each
1 mm Wall Thick. (-0.13 mm to 0.13 mm)
9	-0.130 to 0.130	7	-0.130 to 0.130	FDA Compliant 21 CFR 177.1580, UL 94 HB	00000000	00000
1.5 mm Wall Thick. (-0.13 mm to 0.13 mm)
9	-0.130 to 0.130	6	-0.130 to 0.130	FDA Compliant 21 CFR 177.1580, UL 94 HB	00000000	0000