21075-21212-B

Product Attributes

Part Number	21075-21212-B
Type	Bearing
System of Measurement	Inch
Bearing Type	Roller
Roller Bearing Type	Tapered Roller
For Load Direction	Combined Radial and Thrust
Construction	Single Row
Seal Type	Open
Cups Type	Flanged
Series	21000
Bore Dia	0.75"
Bore Dia Tolerance	+0.013" to 0
Outer Dia	2.125"
Outer Dia Tolerance	+0.025" to 0
Cone Width	0.8598"
Cone Width Tolerance	+0.076" to -0.254"
Cup Width	0.625"
Cup Width Tolerance	+0.051" to -0.254"
Flange Outer Diameter(D1)	2.2772"
Cup Flange Width(C1)	0.1562"
Flange Bearing Width(T1)	0.875"
Cone Backface ToClear Radius	0.06"
Cup Backface ToClear Radius	0.090"
Cone Frontface Backing Diameter	1.03"
Cone Backface Backing Diameter	1.24"
Cup Frontface Backing Diameter	2.07"
Cage Cone Frontface Clearance	0.09"
Cage Cone Backface Clearance	0.1"
Effective Center Location	-0.23"
Ring Material	52100 Chrome Steel
Roller Material	52100 Chrome Steel
Cage Material	Steel
Dynamic Radial Load	12400 lbf
Static Radial Load	9560 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90)	3210 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90)	3250 lbf
Lubrication	Required
Temperature Range	-30° to 110 °C
ABEC Rating	ABEC-1
Radial Clearance	Standard (Available in C3/C4/C5)
RoHS	Compliant
REACH	Compliant
Weight	0.8 lb

21075-21212-B TSF (Single Row Tapered Roller Bearings with Flange) (Imperial) consist of a tapered inner ring assembly and an outer ring. They have flanged outer rings so that the housing through-hole can be precisely aligned. 21075-21212-B bore dia is 0.75". Its out dia is 2.125". 21075-21212-B roller material is Roller_Material. Its seal type is Seal_Bearing. The 21075-21212-B TSF (Single Row Tapered Roller Bearings with Flange) (Imperial) can bear both radial and axial loads with ease and...More

21075-21212-B TSF (Single Row Tapered Roller Bearings with Flange) (Imperial) consist of a tapered inner ring assembly and an outer ring. They have flanged outer rings so that the housing through-hole can be precisely aligned. 21075-21212-B bore dia is 0.75″. Its out dia is 2.125″. 21075-21212-B roller material is Roller_Material. Its seal type is Seal_Bearing. The 21075-21212-B TSF (Single Row Tapered Roller Bearings with Flange) (Imperial) can bear both radial and axial loads with ease and provides low friction during operation even under the most severe conditions.

Typical applications include:

Mining machines, rolling mills, metallurgy, hydraulic generators, vertical generators, propeller shafts for ships, tower cranes, extruders, gear systems and transmissions, transport vehicles, port tower crane equipment, machine tool spindles, gear reducers, automobile drives, Aircraft wheels, agricultural wheels, tensioning rollers, rakes, construction and mining equipment, railway axles – etc.

General Selection Factors

Several factors must be considered for choosing tapered roller bearings. These factors include the roller material, design, shields and seals, cage, Annual Bearing Engineering Committee (ABEC) grade, radial clearance, and lubricant, etc.

Aubearing is an ISO certified Chinese bearing manufacturer and supplier. Competitive prices, 1,200,000+ SKU inventory, including internationally renowned brands such as SKF, Timken, Schaeffler (FAG, INA), NSK, KOYO, NTN, McGill, etc. Aubearing has invested in 300+ equipment, heat treatment facilities, lathes, grinders, milling machines, bearing production lines, CMMs, metallographic testers, etc. Leading Time<7 Days, MOQ=1.

Bearing Catalogue

Various types of ball bearings and roller bearings, size range: 1mm-2000mm. Including thin section bearings (KAYDON equivalents and 67, 68, 69 series), ceramic bearings, stainless steel bearings, deep groove ball bearings, angular contact bearings, thrust ball bearings, spherical roller bearings, cylindrical roller bearings, needle roller bearings, tapered roller bearings, precision crossed roller bearings, bushings (sleeve bearings), linear bearings, automotive wheel hub bearings and corresponding inch series.

Customization options: material (Gcr15, silicon nitride, silicon carbide, zirconium oxide, aluminum oxide, stainless steel 304, 316, 420, 440, PTFE\PEEK\nylon and other plastics), cage (brass, stamping steel, retainer), lubrication (lubricating oil, grease, high temperature resistance), clearance (C2\CN\C3\C4\C5), seal (nitrile rubber, silicone rubber, fluororubber, polypropylene rubber), shielding, etc.