d - 60,325 mm

D - 100 mm

T - 25,4 mm

B - 25,4 mm

C - 19,845 mm

ra1 max. - 3,3 mm

a - 2,5 mm

Da - 89 mm

db - 67 mm

ra max. - 3,5 mm

da - 73 mm

Db - 96 mm

Weight - 0,772 Kg

Basic dynamic load rating (C) - 90,5 kN

Basic static load rating (C0) - 134 kN

(Grease) Lubrication Speed - 3 500 r/min

(Oil) Lubrication Speed - 4 700 r/min

Calculation factor (e) - 0,43

Calculation factor (Y0) - 0,78

Calculation factor (Y2) - 1,41

• Model Number: 4T-28985/28921
• Inner Diameter：60,325mm Outer Diameter：100mm Width：25,4mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:car steering pin,Solenoid Valves,hydraulic cylinder buffer,test strip,orthodontic material,Cylinder Special,ventilator anesthesia machine etc,diving equipment,agriculture,clean stationery,Digital Generator
• Similar models:NSK 28985/28921 KOYO 28985/28920 Timken 28985/28919 Fersa 28985/28920 Timken 28985/28921D+X3S-28985 CX 28985/28919 Timken 28985/28921B ISO 28985/28920 FBJ 28985/28920 NACHI 28985/28920
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-28985/28921 products，there is large inventory of NTN 4T-28985/28921 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-28985/28921 Which NTN 4T-28985/28921 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  22311MAC4F80W33	55	120	43	AST	Spherical Roller Bearings
  23032 KCW33	160	240	60	CX	Spherical Roller Bearings
  6018-RS1	140	90	24	SKF	Deep Groove Ball Bearings
  6305N	25	62	17	MPZ	Deep Groove Ball Bearings
  7209 A	45	85	19	CX	Angular Contact Ball Bearings
  7303 A	17	47	14	ISO	Angular Contact Ball Bearings
  780/772	101,6	180,975	47,625	ISO	Tapered Roller Bearings
  AB44201S01	26	70	17	SNR	Deep Groove Ball Bearings
  AXK1024	10	24	2	KOYO	Needle Roller Bearings
  C 30/900 KMB + AOH 30/900	1280	850	335	SKF	Cylindrical Roller Bearings
  NBX 3530	35	47		IKO	Complex Bearings
  NP537150/NP050487	41	73	21,5	Timken	Tapered Roller Bearings
  RNAO22X35X16	22	35	16	KOYO	Needle Roller Bearings
  SIKAC14M	14			SKF	Plain Bearings
  W638/5-2Z	5	11	5	SKF	Deep Groove Ball Bearings
  XLS-2	2.0000	3.3125	.6250	MRC	ANGULAR CONTACT BALL BEARINGS
  GE220SX	220	340	72	INA	SPHERICAL PLAIN BEARINGS
  NBA15207	6.0000	6.6250	.3125	NSK	ANGULAR CONTACT BALL BEARINGS
  29484EM	420	730		CONSOLIDATED	SPHERICAL ROLLER THRUST BEARINGS
  62806-ZZ	30	42	8	CONSOLIDATED	DEEP GROOVE BALL BEARINGS