51105 Thrust Bearing (Thrust Ball Bearing), ISO 104

For a 25 mm shaft and a 42 mm housing bore, the 51105 thrust bearing (ISO 104) is 11 mm high. Modeled as simplified STEP files.

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

• Also searched as: 51105 bearing
• Model id: iso104-51105
• Standard: ISO 104 · size 51105

Files

Part key	Simplified
iso104-51105	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Shaft washer bore diameter		25		25	nominal	L1
D	Housing washer outside diameter		42		42	nominal	L1
T	Height		11		11	nominal	L1
r	Chamfer dimension	0.6			0.6	single limit (min), modeled at the limit	L1
d1	Shaft washer outside diameter		42 ref		42	reference value	L1
D1	Housing washer bore diameter		26 ref		26	reference value	L1

Drawing

As a PDF: CC-ISO104-SZ-51105.pdf.

The 51105 thrust bearing beside the 51104 and the 51106

The 51105 is number 6 of the 9 ISO 104 thrust bearings published here, listed from 51100 to 51108.

• Shaft washer bore diameter (d): 25 mm on the 51105 thrust bearing, against 20 mm on the 51104 and 30 mm on the 51106.
• Housing washer outside diameter (D): 42 mm on the 51105 thrust bearing, against 35 mm on the 51104 and 47 mm on the 51106.
• Height (T): 11 mm on the 51105 thrust bearing, against 10 mm on the 51104 and 11 mm on the 51106.
• Chamfer dimension (r): at least 0.6 mm on the 51105 thrust bearing, against at least 0.3 mm on the 51104 and at least 0.6 mm on the 51106.
• Shaft washer outside diameter (d1): 42 mm (reference) on the 51105 thrust bearing, against 35 mm (reference) on the 51104 and 47 mm (reference) on the 51106.
• Housing washer bore diameter (D1): 26 mm (reference) on the 51105 thrust bearing, against 21 mm (reference) on the 51104 and 32 mm (reference) on the 51106.

Other sizes

• One size smaller: 51104 Thrust Bearing (Thrust Ball Bearing), ISO 104, 20 mm bore, 35 mm OD, 10 mm high.
• One size larger: 51106 Thrust Bearing (Thrust Ball Bearing), ISO 104, 30 mm bore, 47 mm OD, 11 mm high.

Documents

• CC-ISO104-DS-51105.pdf: 51105 datasheet: values with levels, sources
• CC-ISO104-SZ-51105.pdf: 51105 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

nsk-thrust, ntn-bearingfinder-thrust, skf-17000-thrust. Full citations: the method page and this size's datasheet.

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