624, 624-2Z, 624-2RS Ball Bearing, ISO 15

For a 4 mm shaft and a 13 mm housing bore, the 624 ball bearing (ISO 15) is 5 mm wide. Modeled as simplified STEP files.

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

• Also searched as: 624 bearing, 624-2Z bearing, 624-2RS bearing
• Model id: iso15-624
• Standard: ISO 15 · size 624

Versions

Designation	What differs	Part key	Simplified
624	open	iso15-624	STEP
624-2Z	2Z (shielded)	iso15-624-2z	STEP
624-2RS	2RS (sealed)	iso15-624-2rs	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Bore diameter		4		4	nominal	L1
D	Outside diameter		13		13	nominal	L1
B	Width		5		5	nominal	L1
r	Chamfer dimension	0.2			0.2	single limit (min), modeled at the limit	L1

Drawing

As a PDF: CC-ISO15-SZ-624.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: 1430 N
• Basic Load Ratings, C0r: 485 N
• Limiting Speeds, Grease: 40000 min-1
• Limiting Speeds, Oil (Oil-bath): 48000 min-1

The 624 ball bearing beside the 604 and the 634

The 624 is number 6 of the 71 ISO 15 ball bearings published here, listed from 693 to 6306.

• Bore diameter (d): 4 mm on the 624 ball bearing, the same on the 604 and the 634.
• Outside diameter (D): 13 mm on the 624 ball bearing, against 12 mm on the 604 and 16 mm on the 634.
• Width (B): 5 mm on the 624 ball bearing, against 4 mm on the 604 and 5 mm on the 634.
• Chamfer dimension (r): at least 0.2 mm on the 624 ball bearing, against at least 0.2 mm on the 604 and at least 0.3 mm on the 634.

Other sizes

• One size smaller: 604 Ball Bearing, ISO 15, 4 mm bore, 12 mm OD, 4 mm wide.
• One size larger: 634 Ball Bearing, ISO 15, 4 mm bore, 16 mm OD, 5 mm wide.

Documents

• CC-ISO15-DS-624.pdf: 624 datasheet: values with levels, sources
• CC-ISO15-SZ-624.pdf: 624 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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