30202 Tapered Roller Bearing (Taper Roller Bearing), ISO 355

The 30202 tapered roller bearing (ISO 355) has a 15 mm bore, a 35 mm outside diameter and a width of 11.75 mm. Get it as simplified STEP files.

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

• Also searched as: 30202 bearing
• Model id: iso355-30202
• Standard: ISO 355 · size 30202

Files

Part key	Simplified
iso355-30202	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Bore diameter		15		15	nominal	L1
D	Outside diameter		35		35	nominal	L1
T	Total width		11.75		11.75	nominal	L1
B	Cone width		11		11	nominal	L1
C	Cup width		10		10	nominal	L1
r1	Cone back face chamfer dimension	0.6			0.6	single limit (min), modeled at the limit	L1
r3	Cup back face chamfer dimension	0.6			0.6	single limit (min), modeled at the limit	L1
d1	Cone back face rib diameter		25.6 ref		25.6	reference value	L0 (ref: one source)
Y	Axial load factor		1.73		1.73	nominal	L1
alpha	Cup half angle		13.02		13.02	nominal	L0 (nom: one source)

Drawing

As a PDF: CC-ISO355-SZ-30202.pdf.

The 30202 tapered roller bearing beside the 30203

The 30202 is the first of the 16 ISO 355 tapered roller bearings published here, listed from 30202 to 30210.

• Bore diameter (d): 15 mm on the 30202 tapered roller bearing, against 17 mm on the 30203.
• Outside diameter (D): 35 mm on the 30202 tapered roller bearing, against 40 mm on the 30203.
• Total width (T): 11.75 mm on the 30202 tapered roller bearing, against 13.25 mm on the 30203.
• Cone width (B): 11 mm on the 30202 tapered roller bearing, against 12 mm on the 30203.
• Cup width (C): 10 mm on the 30202 tapered roller bearing, against 11 mm on the 30203.
• Cone back face chamfer dimension (r1): at least 0.6 mm on the 30202 tapered roller bearing, against at least 1 mm on the 30203.
• Cup back face chamfer dimension (r3): at least 0.6 mm on the 30202 tapered roller bearing, against at least 1 mm on the 30203.
• Cone back face rib diameter (d1): 25.6 mm (reference) on the 30202 tapered roller bearing, against 29 mm (reference) on the 30203.

Other sizes

• One size larger: 30203 Tapered Roller Bearing (Taper Roller Bearing), ISO 355, 17 mm bore, 40 mm OD, 13.25 mm wide.

Documents

• CC-ISO355-DS-30202.pdf: 30202 datasheet: values with levels, sources
• CC-ISO355-SZ-30202.pdf: 30202 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. Full citations: the method page and this size's datasheet.

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