6204, 6204-2Z, 6204-2RS Ball Bearing, ISO 15

For a 20 mm shaft and a 47 mm housing bore, the 6204 ball bearing (ISO 15) is 14 mm wide. Modeled as simplified STEP files.

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

• Also searched as: 6204 bearing, 6204-2Z bearing, 6204-2RS bearing
• Model id: iso15-6204
• Standard: ISO 15 · size 6204

Versions

Designation	What differs	Part key	Simplified
6204	open	iso15-6204	STEP
6204-2Z	2Z (shielded)	iso15-6204-2z	STEP
6204-2RS	2RS (sealed)	iso15-6204-2rs	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Bore diameter		20		20	nominal	L1
D	Outside diameter		47		47	nominal	L1
B	Width		14		14	nominal	L1
r	Chamfer dimension	1			1	single limit (min), modeled at the limit	L1

Drawing

As a PDF: CC-ISO15-SZ-6204.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: 14100 N
• Basic Load Ratings, C0r: 6600 N
• Limiting Speeds, Grease: 17000 min-1
• Limiting Speeds, Oil (Oil-bath): 20000 min-1

The 6204 ball bearing beside the 6004 and the 6304

The 6204 is number 52 of the 71 ISO 15 ball bearings published here, listed from 693 to 6306.

• Bore diameter (d): 20 mm on the 6204 ball bearing, the same on the 6004 and the 6304.
• Outside diameter (D): 47 mm on the 6204 ball bearing, against 42 mm on the 6004 and 52 mm on the 6304.
• Width (B): 14 mm on the 6204 ball bearing, against 12 mm on the 6004 and 15 mm on the 6304.
• Chamfer dimension (r): at least 1 mm on the 6204 ball bearing, against at least 0.6 mm on the 6004 and at least 1.1 mm on the 6304.

Other sizes

• One size smaller: 6004 Ball Bearing, ISO 15, 20 mm bore, 42 mm OD, 12 mm wide.
• One size larger: 6304 Ball Bearing, ISO 15, 20 mm bore, 52 mm OD, 15 mm wide.

Documents

• CC-ISO15-DS-6204.pdf: 6204 datasheet: values with levels, sources
• CC-ISO15-SZ-6204.pdf: 6204 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, skf-17000-dgbb. Full citations: the method page and this size's datasheet.

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