d - 40 mm

D - 52 mm

B - 7 mm

C - 7 mm

rn - 0,3 mm

a - 1,3 mm

b - 0,95 mm

r min. - 0,3 mm

r0 max. - 0,25 mm

D1 - 50,7 mm

da min. - 42 mm

da max - 43 mm

Da max. - 50 mm

ra max. - 0,3 mm

Dx - 55,5 mm

Cy - 1,9 mm

Cz - 0,9 mm

rn - 0,3 mm

Weight - 0,033 Kg

Basic dynamic load rating (C) - 5,1 kN

Basic static load rating (C0) - 4,4 kN

(Grease) Lubrication Speed - 12 000 r/min

(Oil) Lubrication Speed - 14 000 r/min

Calculation factor (f0) - 16,3

• Model Number: 6808N
• Inner Diameter：40mm Outer Diameter：52mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:plastic rolling,medical equipment,Industrial,Anesthetic Equipment,die casting mold,physical instruments,security equipment,metallurgical mold,Microwave Equipment,printing equipment,quality inspection equipment
• Similar models:KOYO 6808 KOYO 6808Z KOYO 6808ZZ FBJ 6808-2RS FBJ 6808ZZ NACHI 6808ZZE KOYO 6808-2RS NACHI 6808ZENR NSK 6808DD NACHI 6808NKE
• BEARING POWER International Trading Co.,Ltd. specialize in 6808N products，there is large inventory of NTN 6808N . We has been built up long-term cooperation with NTN company, could make a bulk order of the 6808N Which NTN 6808N 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
  25877/25821	34,925	73,025	23,812	NSK	Tapered Roller Bearings
  302KD	15	42	13	Timken	Deep Groove Ball Bearings
  5408	40	110	49,21	SIGMA	Angular Contact Ball Bearings
  6009DDU	45	75	16	NSK	Deep Groove Ball Bearings
  7021 ATBP4	105	160	26	CX	Angular Contact Ball Bearings
  71914 ACE/HCP4AL	100	70	16	SKF	Angular Contact Ball Bearings
  7211-B-JP	55	100	21	FAG	Angular Contact Ball Bearings
  EXFLE212	60			SNR	Bearing Units
  GE400DW	400	540	190	ISO	Plain Bearings
  NJ2319-E-TVP3	95	200	67	NKE	Cylindrical Roller Bearings
  NKXR40Z	40,000	52,000	32,000	NTN	Complex Bearings
  TAF 152316	14	22	13	IKO	Needle Roller Bearings
  UC319	95	200	50	SNR	Deep Groove Ball Bearings
  RA115RRB	1.9375	3.5433	.7874	FAF	BALL BEARINGS
  5916	1.3750	1.4375	.7500	BERLISS	JOURNAL ROLLER BEARING OUTER RACES
  RBY7	2.7500	7.0000	3.8750	RBC	YOKE TYPE TRACK ROLLER
  AAS1118	90	120		NTN	THRUST NEEDLE BEARINGS
  1726205-2RS	25	52	15	RHP	DEEP GROOVE BALL BEARINGS
  NUTR-2562	25	62	25	CONSOLIDATED	NEEDLE BEARINGS
  SN-305..6305	25	-	52	CONSOLIDATED	PILLOW BLOCKS