d - 40 mm

T - 30,162 mm

B - 30,162 mm

C - 23,812 mm

a - 22,9 mm

r min. - 0,8 mm

r1 min. - 1,2 mm

Da - 75 mm

db - 50 mm

da - 51 mm

Db - 81 mm

Basic dynamic load rating (C) - 108 kN

Basic static load rating (C0) - 136 kN

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y1) - 1,49

• Model Number:3879/3821
• Inner Diameter：40mm Outer Diameter：mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:car,plastic rolling,hot and cold box,marine analysis,suction nozzle,generator,Pneumatic Actuator,bio-chemical,rolling machine,electromagnet,paint paint
• Similar models:Timken 3879/3820-B ISO 3879/3820 Timken 3879/3820 CX 3879/3820 Fersa 3879/3820 KOYO 3879/3821
• BEARING POWER International Trading Co.,Ltd. specialize in 3879/3821 products，there is large inventory of KOYO 3879/3821 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 3879/3821 Which KOYO 3879/3821 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
  11157R/11300	39,98		17,384	KOYO	Tapered Roller Bearings
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  AR 18 85 150	85	150	18	KOYO	Needle Roller Bearings
  CRB 5013 UU	50	80	13	IKO	Thrust Roller Bearings
  F-692	2,000	6,000	2,300	NTN	Deep Groove Ball Bearings
  F-WBC7-13ZZ	7,000	13,000	4,000	NTN	Deep Groove Ball Bearings
  FCDP 128176600	640	880	600	ISB	Cylindrical Roller Bearings
  GAC 90 SP	90	140	32	ISB	Plain Bearings
  K55X63X30	55	63	30	ISO	Needle Roller Bearings
  N1009RSZTPKR	45	67,5	16	NSK	Cylindrical Roller Bearings
  NUP 2217	85	150	36	NACHI	Cylindrical Roller Bearings
  NUP326R	130	280	58	KOYO	Cylindrical Roller Bearings
  RNA0-22X35X32ZW	22,000	35,000	32,000	NTN	Needle Roller Bearings
  UCC312	60		71	KOYO	Bearing Units
  N1044K.M1.SP	220	340	56	FAG	CYLINDRICAL ROLLER BEARINGS
  MMRJN50	50	110	27	R&M	CYLINDRICAL ROLLER BEARINGS
  1APL	20	47	14	RIV	DEEP GROOVE BALL BEARINGS
  PB-2	.2500	1.3125	.5625	RIV	DEEP GROOVE BALL BEARINGS
  NUP-322E	110	240	50	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  SN-609..1309-K	40		70	CONSOLIDATED	PILLOW BLOCKS