52mm Rollers | McMaster-Carr

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System of Measurement

Roller Profile

Shaft Diameter

Roller Mount Type

Roller Width

Stud Diameter

For Load Direction

Roller Material

Track Roller Type

Static Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

With Seal

Yes

Thread Size

M20

Dynamic Radial Load Capacity

1,000 lb. to 9,999 lb.

Stud Material

Material

Roller Bearing Type

Stud Length

Rotation Speed

1,000 rpm to 9,999 rpm

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

Guide Roller Type

REACH

RoHS

8 Products

High-Load Shaft-Mount Track Rollers


Without Seal

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



		52	24	20	25	210	11,000	8,700	245	Cylindrical	20	-10 to 0	3670K33	0000000


		52	24	25	25	160	13,000	9,600	245	Cylindrical	25	-10 to 0	3670K36	000000


		Steel Crowned Rollers Without Seal



				52	24	20	25	210	11,000	8,700	245	Cylindrical	20	-10 to 0	3670K34	000000


				52	24	25	25	160	13,000	9,600	245	Cylindrical	25	-10 to 0	3670K39	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



		52	24	25	25	1,800	6,000	3,400	210	Needle	25	-0.008 to 0	8031N19	0000000

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 With Seal







				Hex Roller-Head Drive

				52	24	20	40.5	M20 × 1.5 mm	21	36	0.8	2,600	10,000	5,700	250	Needle	1470T636	0000000


				Black-Oxide Steel Crowned Rollers With Seal







								Hex Roller-Head Drive

								52	24	20	40.5	M20 × 1.5 mm	21	36	0.8	2,600	10,000	5,700	250	Needle	1470T635	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

				52	24	20	40	M20 × 1.5 mm	21	0.8	500	7,700	4,600	175	Needle	Mounting Hardware	1592T104	0000000