18mm Wide Rollers | McMaster-Carr

With a double row of cylindrical roller bearings, these rollers provide the highest combination of speed and dynamic radial load ratings of any shaft-mount track roller we offer. 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.

Crowned Roller Profile—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.

Without Seal—Lubricate rollers without seal through a hole and groove in the inner ring.

	Roller, mm					Load Capacity, lb.
	Dia.	Wd.	For Shaft Dia., mm	Overall Wd., mm	Max. Rotation Speed, rpm	Static Radial	Dynamic Radial	Max. Temp., ° F	Bearing Type	ID, mm	ID Tolerance, mm		Each
Steel Flat Rollers Without Seal



		35	18	15	19	280	6,100	5,200	245	Cylindrical	15	-8 to 0	3670K23	0000000


		42	18	15	19	280	6,100	5,200	245	Cylindrical	15	-8 to 0	3670K24	000000


		Steel Crowned Rollers Without Seal



				35	18	15	19	280	6,100	5,200	245	Cylindrical	15	-8 to 0	3670K26	000000


				42	18	15	19	280	6,100	5,200	245	Cylindrical	15	-8 to 0	3670K25	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 Roller Profile—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.

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

	Roller, mm					Load Capacity, lb.
	Dia.	Wd.	For Shaft Dia., mm	Overall Wd., mm	Max. Rotation Speed, rpm	Static Radial	Dynamic Radial	Max. Temp., ° F	Bearing Type	ID, mm	ID Tolerance, mm		Each
Black-Oxide Steel Crowned Rollers With Seal



		35	18	15	19	3,600	3,200	2,100	210	Needle	15	-0.008 to 0	8031N16	000000

Threaded Track Rollers

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 Roller Profile—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.

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

	Roller, mm		Stud, mm		Thread		Shoulder, mm			Load Capacity, lb.
	Dia.	Wd.	Dia.	Lg.	Size	Lg., mm	Dia.	Lg.	Max. Rotation Speed, rpm	Static Radial	Dynamic Radial	Max. Temp., ° F	Bearing Type		Each
Black-Oxide Steel Flat Rollers Without Seal







				Hex Roller-Head Drive

				35	18	16	32.5	M16 × 1.5 mm	18	24	0.8	6,300	3,500	2,400	250	Needle	1470T654	0000000


				Black-Oxide Steel Flat Rollers With Seal







								Hex Roller-Head Drive

								35	18	16	32.5	M16 × 1.5 mm	18	24	0.8	6,300	3,500	2,400	250	Needle	1470T655	000000


								Black-Oxide Steel Crowned Rollers Without Seal







												Hex Roller-Head Drive

												35	18	16	32.5	M16 × 1.5 mm	18	24	0.8	4,200	6,400	3,800	250	Needle	1470T628	000000


												Black-Oxide Steel Crowned Rollers With Seal







																Hex Roller-Head Drive

																35	18	16	32.5	M16 × 1.5 mm	18	24	0.8	4,200	6,400	3,800	250	Needle	1470T629	000000

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. Some rollers have end seals to block dirt and contamination.

Crowned Roller Profile—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.

	Roller, mm		Stud, mm		Thread				Load Capacity, lb.
	Dia.	Wd.	Dia.	Lg.	Size	Lg., mm	Shoulder Lg., mm	Max. Rotation Speed, rpm	Static Radial	Dynamic Radial	Max. Temp., ° F	Bearing Type	Includes		Each
Steel Crowned Rollers With Seal







				Hex Roller-Head Drive

				35	18	16	32	M16 × 1.5 mm	17	0.8	620	4,100	2,600	175	Needle	Mounting Hardware	1592T102	0000000

Tapered Stud Track Rollers

Roller

Grease

Fitting

Add a grease fitting to create a lubrication point.

Install these rollers in worn-out mounting holes or where you don’t have access to the back of the mounting hole. The stud is tapered, so you can quickly secure them in place with a set screw (not included) instead of a nut on the back like traditional rollers. Keep in mind, this reduces their radial capacity.

With Seal—Rollers with a seal protect rolling elements from dirt and contamination better than shielded rollers, but they do hold more heat. The seal also helps retain lubrication.

	Rollers													Grease Fittings
	Roller, mm		Stud, mm		Shoulder, mm			Load Capacity, lb.
	Dia.	Wd.	Dia.	Lg.	Dia.	Lg.	Max. Rotation Speed, rpm	Static Radial	Dynamic Radial	Max. Temp., ° F	Bearing Type		Each		Each
Steel Flat Rollers With Seal







				Slotted Roller-Head Drive

				35	18	16	25	28	0.8	7,000	4,100	2,600	175	Needle	4227N16	000000	4227N19	000000