BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Roll Bearing

Assembly

Large tapered roller bearing supporting radial and thrust loads from nip pressure. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Roll Bearing parts and their functions

3 top-level parts · 3 parts in total · full bill of materials below
Roll Bearing parts diagram: 1 ball bearing, 2 bearing outer cup, 3 bearing cage. 3 parts in 3 top-level items.
Roll Bearing parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Ball Bearing 1× FAG 33028 or equivalent tapered roller
2 Bearing Outer Cup 1× Outer cup
3 Bearing Cage 1× Brass roller cage

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Roll Bearing

3 top-level lines · 3 rows shown · 3 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Ball Bearing ball-bearing 1× 1 · part
2 Bearing Outer Cup two-roll-mill-bearing-outer-race 1× 1 · part
3 Bearing Cage two-roll-mill-bearing-cage 1× 1 · part

Something wrong in this list? Report a problem with this BOM.

Where the roll bearing is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$80. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳ZWZ Bearing
zwz.com.cn ↗
Wafangdian, CN Bearings 2,000 pcs 6–10 wks
🇮🇳NBC Bearings
nbcbearings.com ↗
Jaipur, IN Bearings (NEI) 2,000 pcs 6–10 wks
🇨🇳HRB Bearing
hrbbearing.com ↗
Harbin, CN Bearings 2,000 pcs 6–10 wks
🇮🇳NRB Bearings
nrbbearings.com ↗
Mumbai, IN Needle & auto bearings 2,000 pcs 6–10 wks
🇨🇳LYC Bearing
lyc.com.cn ↗
Luoyang, CN Bearings 2,000 pcs 6–10 wks