32010X Tapered Roller Bearing (Taper Roller Bearing), ISO 355

The 32010X tapered roller bearing (ISO 355) has a 50 mm bore, an 80 mm outside diameter and a width of 20 mm. Get it as simplified STEP files.

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

• Also searched as: 32010X bearing
• Model id: iso355-32010x
• Standard: ISO 355 · size 32010X

Files

Part key	Simplified
iso355-32010x	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Bore diameter		50		50	nominal	L1
D	Outside diameter		80		80	nominal	L1
T	Total width		20		20	nominal	L1
B	Cone width		20		20	nominal	L1
C	Cup width		15.5		15.5	nominal	L1
r1	Cone back face chamfer dimension	1			1	single limit (min), modeled at the limit	L1
r3	Cup back face chamfer dimension	1			1	single limit (min), modeled at the limit	L1
d1	Cone back face rib diameter		65.9 ref		65.9	reference value	L0 (ref: one source)
Y	Axial load factor		1.42		1.42	nominal	L1
alpha	Cup half angle		15.73		15.73	nominal	L0 (nom: one source)

Drawing

As a PDF: CC-ISO355-SZ-32010X.pdf.

The 32010X tapered roller bearing beside the 30209 and the 30210

The 32010X is number 15 of the 16 ISO 355 tapered roller bearings published here, listed from 30202 to 30210.

• Bore diameter (d): 50 mm on the 32010X tapered roller bearing, against 45 mm on the 30209 and 50 mm on the 30210.
• Outside diameter (D): 80 mm on the 32010X tapered roller bearing, against 85 mm on the 30209 and 90 mm on the 30210.
• Total width (T): 20 mm on the 32010X tapered roller bearing, against 20.75 mm on the 30209 and 21.75 mm on the 30210.
• Cone width (B): 20 mm on the 32010X tapered roller bearing, against 19 mm on the 30209 and 20 mm on the 30210.
• Cup width (C): 15.5 mm on the 32010X tapered roller bearing, against 16 mm on the 30209 and 17 mm on the 30210.
• Cone back face chamfer dimension (r1): at least 1 mm on the 32010X tapered roller bearing, against at least 1.5 mm on the 30209 and at least 1.5 mm on the 30210.
• Cup back face chamfer dimension (r3): at least 1 mm on the 32010X tapered roller bearing, against at least 1.5 mm on the 30209 and at least 1.5 mm on the 30210.
• Cone back face rib diameter (d1): 65.9 mm (reference) on the 32010X tapered roller bearing, against 63.1 mm (reference) on the 30209 and 68 mm (reference) on the 30210.

Other sizes

• One size smaller: 30209 Tapered Roller Bearing (Taper Roller Bearing), ISO 355, 45 mm bore, 85 mm OD, 20.75 mm wide.
• One size larger: 30210 Tapered Roller Bearing (Taper Roller Bearing), ISO 355, 50 mm bore, 90 mm OD, 21.75 mm wide.

Documents

• CC-ISO355-DS-32010X.pdf: 32010X datasheet: values with levels, sources
• CC-ISO355-SZ-32010X.pdf: 32010X drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

nsk-tapered, ntn-bearingfinder-tapered, rule-iso355-cup-angle, skf-17000-tapered, timken-tapered. Full citations: the method page and this size's datasheet.

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