19mm Rollers | McMaster-Carr

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	System of Measurement System of Measurement

Metric

	Roller Diameter Roller Diameter	Show

19mm

	Roller Diameter Roller Diameter	Hide

	Roller Style Roller Style


Shaft Mount	Threaded Stud

	Roller Profile Roller Profile


Flat	Crowned

	For Shaft Diameter For Shaft Diameter

6mm

	Thread Size Thread Size

	For Load Direction For Load Direction

	Radial

	Stud Diameter Stud Diameter

8 mm

	Roller Width Roller Width

11 mm

	Roller Material Roller Material

Steel

Plastic

	With Seal With Seal

Yes

	Dynamic Radial Load Capacity Dynamic Radial Load Capacity

Less than 1,000 lbs.

1,000 to 9,999 lbs.

	Bearing Type Bearing Type

Ball

Roller

	Track Roller Type Track Roller Type

	Round

	Drive Style Drive Style

	Hex

	Stud Length Stud Length

20mm

	Thread Length Thread Length

10mm

11mm

	Static Radial Load Capacity Static Radial Load Capacity

Less than 10,000 lbs.

	Lubrication Lubrication

Lubricated

Not Required

	Maximum Temperature Maximum Temperature

Less than 200° F

200° to 249° F

250° to 299° F

	Maximum Speed Maximum Speed

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

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12 Products

About Track Rollers

Also known as cam followers, track rollers have a thick outer roller that runs directly on a flat surface.

Also known as cam followers, track rollers support loads while guiding and positioning work. Thread the stud directly into a component or secure with a nut for through-hole mounting.

Crowned rollers have a slight curve, which is invisible to the naked eye, to stay centered on surfaces that are not perfectly aligned and/or not perfectly flat.

Rollers with seal have end seals to protect rolling elements from dirt and contamination.

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

Metric

Roller, mm		Stud, mm		Thread			Shoulder, mm			Radial Load Cap., lbs.
Dia.	Wd.	Dia.	Lg.	Size	Pitch, mm	Lg., mm	Dia.	Lg.	Max. Speed, rpm	Static	Dynamic	Max. Temp., °F	Bearing Type	Includes		Each
Black-Oxide Steel Flat Rollers without Seal
19	11	8	20	M8	1.25	11	13	0.6	10,500	1,100	1,500	250°	Needle Roller	__	00000000	0000000
Black-Oxide Steel Flat Rollers with Seal
19	11	8	20	M8	1.25	11	13	0.6	10,500	1,100	1,500	250°	Needle Roller	__	00000000	00000
Black-Oxide Steel Crowned Rollers without Seal
19	11	8	20	M8	1.25	11	13	0.6	15,500	900	800	250°	Needle Roller	__	00000000	00000
Black-Oxide Steel Crowned Rollers with Seal
19	11	8	20	M8	1.25	11	13	0.6	10,500	1,100	1,500	250°	Needle Roller	__	00000000	00000
Steel Flat Rollers without Seal
19	11	8	20	M8	1.25	10	14	0.6	5,000	2,500	1,800	245°	Needle Roller	Mounting Hardware	0000000	00000
Steel Flat Rollers with Seal
19	11	8	20	M8	1.25	10	13	0.6	5,000	2,500	1,800	175°	Needle Roller	Mounting Hardware	0000000	00000

Maintenance-Free Threaded Track Rollers

Because they never need to be relubricated, these rollers are a good choice for hard-to-reach places. Also known as cam followers, track rollers support loads while guiding and positioning work. Thread the stud directly into a component or secure with a nut for through-hole mounting. All rollers have end seals to block dirt and contamination.

Crowned rollers have a slight curve, which is invisible to the naked eye, to stay centered on surfaces that are not perfectly aligned and/or not perfectly flat.

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

Metric

Roller, mm		Stud, mm		Thread					Radial Load Cap., lbs.
Dia.	Wd.	Dia.	Lg.	Size	Pitch, mm	Lg., mm	Shoulder Lg., mm	Max. Speed, rpm	Static	Dynamic	Max. Temp., °F	Bearing Type	Includes		Each
Steel Crowned Rollers with Seal
19	11	8	20	M8	1.25	10	0.6	1,200	1,000	950	175°	Needle Roller	Mounting Hardware	000000	000000

Threaded Track Rollers with Adjustable Shoulder

Also known as eccentric track rollers, the shoulder adjusts up or down to align to your track, enabling uniform alignment among rollers in a system. Secure the stud with a nut for through-hole mounting. All rollers have end seals to protect rolling elements from dirt and contamination.

Crowned rollers have a slight curve, which is invisible to the naked eye, to stay centered on surfaces that are not perfectly aligned and/or not perfectly flat.

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

Metric

Roller, mm		Stud, mm		Thread			Shoulder, mm				Radial Load Cap., lbs.
Dia.	Wd.	Dia.	Lg.	Size	Pitch, mm	Lg., mm	Dia.	Lg.	Ht. Adjustment Capability, mm	Max. Speed, rpm	Static	Dynamic	Max. Temp., °F	Bearing Type	Includes		Each
Steel Flat Rollers with Seal
19	11	8	20	M8	1.25	11	11	9	0.5	10,000	1,100	1,500	250°	Needle Roller	Mounting Hardware	0000000	0000000
Steel Crowned Rollers with Seal
19	11	8	20	M8	1.25	11	11	9	0.5	10,000	1,100	1,500	250°	Needle Roller	Mounting Hardware	0000000	000000

Shaft-Mount Track Rollers

Also known as yoke-style cam followers, these rollers have more mounting flexibility than threaded track rollers. They're typically mounted onto a shaft or clevis rod end. Lubricate rollers through a hole and groove in the inner ring.

Crowned rollers have a slight curve, which is invisible to the naked eye, to stay centered on surfaces that are not perfectly aligned and/or not perfectly flat.

Rollers with seal have end seals to protect rolling elements from dirt and contamination.

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

Metric

Roller, mm					Radial Load Cap., lbs.
Dia.	Wd.	For Shaft Dia., mm	Overall Wd., mm	Max. Speed, rpm	Static	Dynamic	Max. Temp., °F	Bearing Type		Each
Black-Oxide Steel Crowned Rollers with Seal
19	11	6	12	11,000	900	750	210°	Needle Roller	0000000	000000

Light Duty Side-Mount Track Roller Carriages and Guide Rails

Carriage

Guide Rail

Use these carriages and guide rails for light loads where precise movement is not required.

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

Steel Carriages with Fixed Plastic Rollers									Aluminum Guide Rails
For Rail Wd., mm	Dynamic Load Cap., lbs.	O'all Ht., mm	Carriage Wd., mm	Carriage Lg., mm	Roller Dia., mm	Max. Temp., °F		Each	Rail Lengths, mm		Per mm
36	5	12	60	70	19	175°	000000	000000	150; 350; 550; 650	000000	00000