6805, 6805-2Z, 6805-2RS Ball Bearing, ISO 15

The 6805 ball bearing (ISO 15) has a 25 mm bore, a 37 mm outside diameter and a width of 7 mm. Get it as simplified STEP files.

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

• Also searched as: 6805 bearing, 6805-2Z bearing, 6805-2RS bearing
• Model id: iso15-6805
• Standard: ISO 15 · size 6805

Versions

Designation	What differs	Part key	Simplified
6805	open	iso15-6805	STEP
6805-2Z	2Z (shielded)	iso15-6805-2z	STEP
6805-2RS	2RS (sealed)	iso15-6805-2rs	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Bore diameter		25		25	nominal	L1
D	Outside diameter		37		37	nominal	L1
B	Width		7		7	nominal	L1
r	Chamfer dimension	0.3			0.3	single limit (min), modeled at the limit	L1

Drawing

As a PDF: CC-ISO15-SZ-6805.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: 4950 N
• Basic Load Ratings, C0r: 3150 N
• Limiting Speeds, Grease: 18000 min-1
• Limiting Speeds, Oil (Oil-bath): 22000 min-1

The 6805 ball bearing beside the 63/22 and the 6905

The 6805 is number 57 of the 71 ISO 15 ball bearings published here, listed from 693 to 6306.

• Bore diameter (d): 25 mm on the 6805 ball bearing, against 22 mm on the 63/22 and 25 mm on the 6905.
• Outside diameter (D): 37 mm on the 6805 ball bearing, against 56 mm on the 63/22 and 42 mm on the 6905.
• Width (B): 7 mm on the 6805 ball bearing, against 16 mm on the 63/22 and 9 mm on the 6905.
• Chamfer dimension (r): at least 0.3 mm on the 6805 ball bearing, against at least 1.1 mm on the 63/22 and at least 0.3 mm on the 6905.

Other sizes

• One size smaller: 63/22 Ball Bearing, ISO 15, 22 mm bore, 56 mm OD, 16 mm wide.
• One size larger: 6905 Ball Bearing, ISO 15, 25 mm bore, 42 mm OD, 9 mm wide.

Documents

• CC-ISO15-DS-6805.pdf: 6805 datasheet: values with levels, sources
• CC-ISO15-SZ-6805.pdf: 6805 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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