d - 66,675 mm

D - 109,985 mm

T - 29,751 mm

B - 30,048 mm

C - 23,812 mm

R - 3,6 mm

r - 0,5 mm

a - -4,6 mm

Da - 104,5 mm

db - 80 mm

da - 74 mm

Db - 100 mm

Aa - 2,4 mm

Ab - 0,9 mm

Weight - 1,06 Kg

Basic static load rating (C0) - 191 kN

Factor (G1) - 75,2

Factor (G2) - 21,3

Factor (Cg) - 0,0297

Factor (K) - 1,45

Basic dynamic load rating (C90) - 33,3

Basic dynamic load rating (Ca90) - 22,9

Basic dynamic load rating (C1) - 129 kN

Calculation factor (e) - 0,4

Calculation factor (Y) - 1,49

• Model Number: 3984/3921XA
• Inner Diameter：66,675mm Outer Diameter：109,985mm Width：29,751mm
• Type：Tapered Roller Bearings
• Update date：2025-04-21
• Application:motorcycle,Pneumatic Control Elements,Beauty and Body,Cylinder Type,storage shelves,Broadcasting System,other lathe,enzyme,Pneumatic Control Valves,container finishing,building decoration raw materials and accessories
• Similar models:Fersa 3984/3925 Timken 3984/3921XA NACHI 3984/3920 NTN 4T-3984/3920 CX 3984/3920 PFI 3984/20 KOYO 3984/3925 ISO 3984/3920 ISO 3984/3926 SKF 3984/2/3920/2/Q
• BEARING POWER International Trading Co.,Ltd. specialize in 3984/3921XA products，there is large inventory of Timken 3984/3921XA . We has been built up long-term cooperation with Timken company, could make a bulk order of the 3984/3921XA Which Timken 3984/3921XA 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.

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  9108PP	40	68	15	FAF	DEEP GROOVE BALL BEARINGS
  DM-65	112	65		INA	THRUST BALL BEARINGS
  MU412	60	150	35	Rollway	CYLINDRICAL ROLLER BEARINGS
  NUKR52	20	52	24	SKF	NEEDLE BEARINGS