629, 629-2Z, 629-2RS Ball Bearing, ISO 15

For a 9 mm shaft and a 26 mm housing bore, the 629 ball bearing (ISO 15) is 8 mm wide. Modeled as simplified STEP files.

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

• Also searched as: 629 bearing, 629-2Z bearing, 629-2RS bearing
• Model id: iso15-629
• Standard: ISO 15 · size 629

Versions

Designation	What differs	Part key	Simplified
629	open	iso15-629	STEP
629-2Z	2Z (shielded)	iso15-629-2z	STEP
629-2RS	2RS (sealed)	iso15-629-2rs	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Bore diameter		9		9	nominal	L1
D	Outside diameter		26		26	nominal	L1
B	Width		8		8	nominal	L1
r	Chamfer dimension	0.3			0.3	single limit (min), modeled at the limit	L1

Drawing

As a PDF: CC-ISO15-SZ-629.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: 5050 N
• Basic Load Ratings, C0r: 1970 N
• Limiting Speeds, Grease: 28000 min-1
• Limiting Speeds, Oil (Oil-bath): 34000 min-1

The 629 ball bearing beside the 609 and the 6800

The 629 is number 24 of the 71 ISO 15 ball bearings published here, listed from 693 to 6306.

• Bore diameter (d): 9 mm on the 629 ball bearing, against 9 mm on the 609 and 10 mm on the 6800.
• Outside diameter (D): 26 mm on the 629 ball bearing, against 24 mm on the 609 and 19 mm on the 6800.
• Width (B): 8 mm on the 629 ball bearing, against 7 mm on the 609 and 5 mm on the 6800.
• Chamfer dimension (r): at least 0.3 mm on the 629 ball bearing, the same on the 609 and the 6800.

Other sizes

• One size smaller: 609 Ball Bearing, ISO 15, 9 mm bore, 24 mm OD, 7 mm wide.
• One size larger: 6800 Ball Bearing, ISO 15, 10 mm bore, 19 mm OD, 5 mm wide.

Documents

• CC-ISO15-DS-629.pdf: 629 datasheet: values with levels, sources
• CC-ISO15-SZ-629.pdf: 629 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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