d - 40 mm

D - 52 mm

B - 7 mm

C - 7 mm

rn - 0,3 mm

a - 1,3 mm

b - 0,95 mm

f - 0,85 mm

r min. - 0,3 mm

r0 max. - 0,25 mm

D1 - 50,7 mm

D2 - 54,8 mm

da min. - 42 mm

da max - 42 mm

Da max. - 50 mm

ra max. - 0,3 mm

Weight - 0,031 Kg

Basic dynamic load rating (C) - 6,35 kN

Basic static load rating (C0) - 5,55 kN

(Grease) Lubrication Speed - 12 000 r/min

(Oil) Lubrication Speed - 14 000 r/min

Calculation factor (f0) - 17

• Model Number: 6808NR
• Inner Diameter：40mm Outer Diameter：52mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:Pneumatic Control Elements,Textile Industry Accessories and Accessories,Machine Tool Accessories,Material handling equipment,power source,directional control valve,tapping machine,training beds etc,Blood coagulation reagent,hydraulic actuator,power protection
• Similar models:KOYO 6808-2RU NSK 6808N KOYO 6808ZZ KOYO 6808Z NTN 6808N NSK 6808 NACHI 6808-2NSE NACHI 6808ZZE CYSD 6808-ZZ NACHI 6808N
• BEARING POWER International Trading Co.,Ltd. specialize in 6808NR products，there is large inventory of NSK 6808NR . We has been built up long-term cooperation with NSK company, could make a bulk order of the 6808NR Which NSK 6808NR 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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  7911DF	55	80	13	CYSD	Angular Contact Ball Bearings
  805003CA.H195	82	140	115	FAG	Tapered Roller Bearings
  AXN4580	45	70		NTN	Complex Bearings
  CX125				CX	Wheel Bearings
  F-554763	38	52	17,3	INA	Needle Roller Bearings
  FBSA 205/QFC	25	120	82	SKF	Thrust Ball Bearings
  KGA090	228,6	279,4	25,4	KOYO	Angular Contact Ball Bearings
  LQCD 40-2LS	40		80	SKF	Linear Bearings
  SL183008	40	61,74	21	NBS	Cylindrical Roller Bearings
  UCFL 206-18	28,575			AST	Bearing Units
  312WDD	60	130	31	FAF	DEEP GROOVE BALL BEARINGS
  NNU4940BKSPW33	200	280	80	SKF	CYLINDRICAL ROLLER BEARINGS
  RNAF65x85x30	85		30	FAG (Old No.)	NEEDLE BEARINGS
  22230	150	270	73	Torrington	SPHERICAL ROLLER BEARINGS
  609LLU	9	24	7	NTN	DEEP GROOVE BALL BEARINGS
  PA-5	.6250	1.5625	.4375	RIV	DEEP GROOVE BALL BEARINGS
  SNZ-307..2307	35	30	60	CONSOLIDATED	PILLOW BLOCKS