32006X Tapered Roller Bearing (Taper Roller Bearing), ISO 355

The 32006X tapered roller bearing (ISO 355) has a 30 mm bore, a 55 mm outside diameter and a width of 17 mm. Get it as simplified STEP files.

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

• Also searched as: 32006X bearing
• Model id: iso355-32006x
• Standard: ISO 355 · size 32006X

Files

Part key	Simplified
iso355-32006x	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Bore diameter		30		30	nominal	L1
D	Outside diameter		55		55	nominal	L1
T	Total width		17		17	nominal	L1
B	Cone width		17		17	nominal	L1
C	Cup width		13		13	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		43.6 ref		43.6	reference value	L0 (ref: one source)
Y	Axial load factor		1.39		1.39	nominal	L1
alpha	Cup half angle		16.05		16.05	nominal	L0 (nom: one source)

Drawing

As a PDF: CC-ISO355-SZ-32006X.pdf.

The 32006X tapered roller bearing beside the 30205 and the 30206

The 32006X is number 7 of the 16 ISO 355 tapered roller bearings published here, listed from 30202 to 30210.

• Bore diameter (d): 30 mm on the 32006X tapered roller bearing, against 25 mm on the 30205 and 30 mm on the 30206.
• Outside diameter (D): 55 mm on the 32006X tapered roller bearing, against 52 mm on the 30205 and 62 mm on the 30206.
• Total width (T): 17 mm on the 32006X tapered roller bearing, against 16.25 mm on the 30205 and 17.25 mm on the 30206.
• Cone width (B): 17 mm on the 32006X tapered roller bearing, against 15 mm on the 30205 and 16 mm on the 30206.
• Cup width (C): 13 mm on the 32006X tapered roller bearing, against 13 mm on the 30205 and 14 mm on the 30206.
• Cone back face chamfer dimension (r1): at least 1 mm on the 32006X tapered roller bearing, the same on the 30205 and the 30206.
• Cup back face chamfer dimension (r3): at least 1 mm on the 32006X tapered roller bearing, the same on the 30205 and the 30206.
• Cone back face rib diameter (d1): 43.6 mm (reference) on the 32006X tapered roller bearing, against 38 mm (reference) on the 30205 and 45.3 mm (reference) on the 30206.

Other sizes

• One size smaller: 30205 Tapered Roller Bearing (Taper Roller Bearing), ISO 355, 25 mm bore, 52 mm OD, 16.25 mm wide.
• One size larger: 30206 Tapered Roller Bearing (Taper Roller Bearing), ISO 355, 30 mm bore, 62 mm OD, 17.25 mm wide.

Documents

• CC-ISO355-DS-32006X.pdf: 32006X datasheet: values with levels, sources
• CC-ISO355-SZ-32006X.pdf: 32006X 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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