BK0709 Needle Bearing (Drawn Cup Needle Roller Bearing), ISO 3245

The BK0709 needle bearing (ISO 3245) has a 7 mm bore, an 11 mm outside diameter and a width of 9 mm. Get it as simplified STEP files.

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

• Also searched as: BK0709 bearing
• Model id: iso3245-bk0709
• Standard: ISO 3245 · size BK0709

Files

Part key	Simplified
iso3245-bk0709	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
Fw	Bore diameter under the rollers		7		7	nominal	L1
D	Outside diameter		11		11	nominal	L1
C	Width		9		9	nominal	L1
Ct	Depth to the closed end	7.4			7.4	single limit (min), modeled at the limit	L1
r	Chamfer dimension	0.4			0.4	single limit (min), modeled at the limit	L1

Drawing

As a PDF: CC-ISO3245-BK-SZ-BK0709.pdf.

The BK0709 needle bearing beside the BK0609 and the BK0808

The BK0709 is number 5 of the 29 ISO 3245 needle bearings published here, listed from BK0306 to BK2526.

• Bore diameter under the rollers (Fw): 7 mm on the BK0709 needle bearing, against 6 mm on the BK0609 and 8 mm on the BK0808.
• Outside diameter (D): 11 mm on the BK0709 needle bearing, against 10 mm on the BK0609 and 12 mm on the BK0808.
• Width (C): 9 mm on the BK0709 needle bearing, against 9 mm on the BK0609 and 8 mm on the BK0808.
• Depth to the closed end (Ct): at least 7.4 mm on the BK0709 needle bearing, against at least 7.4 mm on the BK0609 and at least 6.4 mm on the BK0808.
• Chamfer dimension (r): at least 0.4 mm on the BK0709 needle bearing, the same on the BK0609 and the BK0808.

Other sizes

• One size smaller: BK0609 Needle Bearing (Drawn Cup Needle Roller Bearing), ISO 3245, 6 mm bore, 10 mm OD, 9 mm wide.
• One size larger: BK0808 Needle Bearing (Drawn Cup Needle Roller Bearing), ISO 3245, 8 mm bore, 12 mm OD, 8 mm wide.

Documents

• CC-ISO3245-BK-DS-BK0709.pdf: BK0709 datasheet: values with levels, sources
• CC-ISO3245-BK-SZ-BK0709.pdf: BK0709 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

koyo-bs007-bk, ntn-bearingfinder-bk, schaeffler-hr1-bk. Full citations: the method page and this size's datasheet.

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