d - 41,275 mm

D - 85,725 mm

T1 - 11,112 mm

B - 30,162 mm

C - 23,812 mm

R - 3,6 mm

a - -8,1 mm

D1 - 89,586 mm

Da - 73 mm

db - 57 mm

C2 - 4,762 mm

da - 50,5 mm

Weight - 0,85 Kg

Basic static load rating (C0) - 148 kN

Factor (G1) - 37,8

Factor (G2) - 13,5

Factor (K) - 1,45

Basic dynamic load rating (C90) - 29,8

Basic dynamic load rating (Ca90) - 20,5

Basic dynamic load rating (C1) - 115 kN

Calculation factor (e) - 0,4

Calculation factor (Y) - 1,49

• Model Number: 3877/3820B
• Inner Diameter：41,275mm Outer Diameter：85,725mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:Storage Device,wheel lathe,sanitation facilities,Safety protection,Control,Hydraulic Rama,Gear grinding machine,Perfusion device,Laser Devices,Rolling mill gear box,lifting equipment Hoisting hoist
• Similar models:KOYO 3877/3821 Timken 3877/3820B NSK 3877/3820 NTN 4T-3877/3820 Timken 3877/3821 CX 3877/3820 KOYO 3877A/3821 Timken 3877/3820 Fersa 3877/3820 ISO 3877/3820
• BEARING POWER International Trading Co.,Ltd. specialize in 3877/3820B products，there is large inventory of Timken 3877/3820B . We has been built up long-term cooperation with Timken company, could make a bulk order of the 3877/3820B Which Timken 3877/3820B 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
  24056EK30	280	420	140	NACHI	Cylindrical Roller Bearings
  29590/29520	66,675	107,95	25,4	Fersa	Tapered Roller Bearings
  32316	80	170	61,5	CRAFT	Tapered Roller Bearings
  3309-2RS	45	100	39,7	ISO	Angular Contact Ball Bearings
  52330	154	250	140	CX	Thrust Ball Bearings
  6405	25	80	21	NKE	Deep Groove Ball Bearings
  6414	70	180	42	CX	Deep Groove Ball Bearings
  7030CDB/GMP2	150	225	70	NTN	Angular Contact Ball Bearings
  A-R07A69VPX1	35,11	67	19,45	NTN	Cylindrical Roller Bearings
  BFC206	30			NACHI	Bearing Units
  CRBC 60040	400	480	35	IKO	Thrust Roller Bearings
  JLM104948/10	50	82	21,5	ISO	Tapered Roller Bearings
  NNCF 4848 CV	300	240	60	SKF	Cylindrical Roller Bearings
  PFT 1.1/2 FM	38,1			SKF	Bearing Units
  S3203-2RS	17	40	17,5	ZEN	Angular Contact Ball Bearings
  SI 25 ES 2RS	25	42	20	ISB	Plain Bearings
  UCFL 205-15	23,8252			AST	Bearing Units
  314ZNR	70	150	35	FAG	DEEP GROOVE BALL BEARINGS
  RM-5	.6250	1.8125	.6250	SKF	SELF
  95348	.7500	1.3750	3.0000	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES