60/28, 60/28-2Z, 60/28-2RS Ball Bearing, ISO 15

The 60/28 ball bearing (ISO 15) has a 28 mm bore, a 52 mm outside diameter and a width of 12 mm. Get it as simplified STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: 60/28 bearing, 60/28-2Z bearing, 60/28-2RS bearing
• Model id: iso15-60-28
• Standard: ISO 15 · size 60/28

Versions

Designation	What differs	Part key	Simplified
60/28	open	iso15-60-28	STEP
60/28-2Z	2Z (shielded)	iso15-60-28-2z	STEP
60/28-2RS	2RS (sealed)	iso15-60-28-2rs	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Bore diameter		28		28	nominal	L1
D	Outside diameter		52		52	nominal	L1
B	Width		12		12	nominal	L1
r	Chamfer dimension	0.6			0.6	single limit (min), modeled at the limit	L1

Drawing

As a PDF: CC-ISO15-SZ-60-28.pdf.

Load ratings and speeds

What NSK's web catalogue (nsk-dgbb) lists for its open bearing of this designation. Limiting speeds are for the open bearing; a shielded or sealed bearing has its own, lower ones.

• Basic Load Ratings, Cr: 13700 N
• Basic Load Ratings, C0r: 7400 N
• Limiting Speeds, Grease: 14000 min-1
• Limiting Speeds, Oil (Oil-bath): 16000 min-1

The 60/28 ball bearing beside the 6305 and the 62/28

The 60/28 is number 63 of the 71 ISO 15 ball bearings published here, listed from 693 to 6306.

• Bore diameter (d): 28 mm on the 60/28 ball bearing, against 25 mm on the 6305 and 28 mm on the 62/28.
• Outside diameter (D): 52 mm on the 60/28 ball bearing, against 62 mm on the 6305 and 58 mm on the 62/28.
• Width (B): 12 mm on the 60/28 ball bearing, against 17 mm on the 6305 and 16 mm on the 62/28.
• Chamfer dimension (r): at least 0.6 mm on the 60/28 ball bearing, against at least 1.1 mm on the 6305 and at least 1 mm on the 62/28.

Other sizes

• One size smaller: 6305 Ball Bearing, ISO 15, 25 mm bore, 62 mm OD, 17 mm wide.
• One size larger: 62/28 Ball Bearing, ISO 15, 28 mm bore, 58 mm OD, 16 mm wide.

Documents

• CC-ISO15-DS-60-28.pdf: 60/28 datasheet: values with levels, sources
• CC-ISO15-SZ-60-28.pdf: 60/28 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

nsk-dgbb, ntn-bearingfinder-dgbb. Full citations: the method page and this size's datasheet.

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