d - 41,275 mm

D - 85,725 mm

T - 30,162 mm

B - 30,162 mm

C - 23,812 mm

a - 22,9 mm

r min. - 3,6 mm

r2 min. - 1,2 mm

da min. - 57 mm

Da - 75 mm

db min - 50,3 mm

ra max. - 3,6 mm

rb max. - 1,2 mm

Db - 81 mm

Weight - 0,83 Kg

Basic dynamic load rating (C) - 108 kN

Basic static load rating (C0) - 136 kN

(Grease) Lubrication Speed - 4800 r/min

(Oil) Lubrication Speed - 6400 r/min

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y1) - 1,49

• Model Number:3877/3821
• Inner Diameter：41,275mm Outer Diameter：85,725mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2023-03-11
• Application:spectrometer,Rolling mill gear box,ventilation heating equipment,pneumatic,pipe fittings Steel industry,Cleaning equipment,sawing machine,Animal Tracking,Laser Cutting,motor,water
• Similar models:NTN 4T-3877/3820 ISO 3877/3821 ISO 3877/3820 KOYO 3877A/3821 CX 3877/3821 KOYO 3877/3821 Fersa 3877/3820 Timken 3877/3820B Timken 3877/3820 NSK 3877/3820
• BEARING POWER International Trading Co.,Ltd. specialize in 3877/3821 products，there is large inventory of KOYO 3877/3821 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 3877/3821 Which KOYO 3877/3821 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
  25V3530A	25	35	30	KOYO	Needle Roller Bearings
  3878/3820	36.512	85.725	30.162	NACHI	Tapered Roller Bearings
  AST50 14FIB08	22,225			AST	Plain Bearings
  ASTT90 F10090	100	105		AST	Plain Bearings
  GT16	36,513	65,888	15,875	INA	Thrust Ball Bearings
  F-227331.3	23	43,05	17,5	INA	Angular Contact Ball Bearings
  GE160XT-2RS	160	230		AST	Plain Bearings
  N1019BMR1	95	132	24	NSK	Cylindrical Roller Bearings
  NJ211E	55	100	21	CYSD	Cylindrical Roller Bearings
  NN4930	150	210	60	CX	Cylindrical Roller Bearings
  SCE66-P	9,525	14,288	9,525	INA	Needle Roller Bearings
  SYFJ 20 TF	20	38	24	SKF	Bearing Units
  T4EB240	240	320	42	CX	Tapered Roller Bearings
  YAR205-100-2F/AH	25,4	52	34,1	SKF	Deep Groove Ball Bearings
  A33K5	.1875	.5000	.1562	FAF	DEEP GROOVE BALL BEARINGS
  NN3064ASK.M.SP	320	480	121	FAG	CYLINDRICAL ROLLER BEARINGS
  DN-2150	1.5000	3.2500	.7500	FBC	DEEP GROOVE BALL BEARINGS
  477307	35	80	21	New Departure	DEEP GROOVE BALL BEARINGS
  BL316ZNR	80	170	39	NTN	DEEP GROOVE BALL BEARINGS
  N-413	65	160	37	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS