BK1012 Needle Bearing (Drawn Cup Needle Roller Bearing), ISO 3245

The BK1012 needle bearing (ISO 3245) has a 10 mm bore, a 14 mm outside diameter and a width of 12 mm. Get it as simplified STEP files.

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

• Also searched as: BK1012 bearing
• Model id: iso3245-bk1012
• Standard: ISO 3245 · size BK1012

Files

Part key	Simplified
iso3245-bk1012	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
Fw	Bore diameter under the rollers		10		10	nominal	L1
D	Outside diameter		14		14	nominal	L1
C	Width		12		12	nominal	L1
Ct	Depth to the closed end	10.4			10.4	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-BK1012.pdf.

The BK1012 needle bearing beside the BK1010 and the BK1015

The BK1012 is number 11 of the 29 ISO 3245 needle bearings published here, listed from BK0306 to BK2526.

• Bore diameter under the rollers (Fw): 10 mm on the BK1012 needle bearing, the same on the BK1010 and the BK1015.
• Outside diameter (D): 14 mm on the BK1012 needle bearing, the same on the BK1010 and the BK1015.
• Width (C): 12 mm on the BK1012 needle bearing, against 10 mm on the BK1010 and 15 mm on the BK1015.
• Depth to the closed end (Ct): at least 10.4 mm on the BK1012 needle bearing, against at least 8.4 mm on the BK1010 and at least 13.4 mm on the BK1015.
• Chamfer dimension (r): at least 0.4 mm on the BK1012 needle bearing, the same on the BK1010 and the BK1015.

Other sizes

• One size smaller: BK1010 Needle Bearing (Drawn Cup Needle Roller Bearing), ISO 3245, 10 mm bore, 14 mm OD, 10 mm wide.
• One size larger: BK1015 Needle Bearing (Drawn Cup Needle Roller Bearing), ISO 3245, 10 mm bore, 14 mm OD, 15 mm wide.

Documents

• CC-ISO3245-BK-DS-BK1012.pdf: BK1012 datasheet: values with levels, sources
• CC-ISO3245-BK-SZ-BK1012.pdf: BK1012 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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