d - 1 mm

D - 4 mm

B - 1,6 mm

C - 1,6 mm

r min. - 0,1 mm

da min. - 1,8 mm

Da max. - 3,2 mm

ra max. - 0,1 mm

Weight - 9E-05 Kg

Basic dynamic load rating (C) - 0,138 kN

Basic static load rating (C0) - 0,035 kN

(Grease) Lubrication Speed - 100 000 r/min

(Oil) Lubrication Speed - 120 000 r/min

• Model Number:691
• Inner Diameter：1mm Outer Diameter：4mm Width：1,6mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:safety testing,construction machinery and equipment,miscellaneous instruments,Anti-defibrillation pacing,small diesel generators,forming machine,Medical equipment,industrial equipment,ship special,Broadcasting System,tire industry
• Similar models:NACHI 6912ZNR NACHI 6910ZE NSK 6914VV CYSD 6912-RZ NSK 6919N NSK 6915DDU NACHI 6917 NTN 6918Z ISO 691XZZ CYSD 6911-Z
• BEARING POWER International Trading Co.,Ltd. specialize in 691 products，there is large inventory of NSK 691 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 691 Which NSK 691 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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  6300NR	10	35	11	NSK	Deep Groove Ball Bearings
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  AB42993S01	50	110	27	SNR	Deep Groove Ball Bearings
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  USFAE204	20			SNR	Bearing Units
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  100BC02	180	100	34	Torrington	DEEP GROOVE BALL BEARINGS
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  2x23/16x5	2.0000	2.1875	5.0000	CONSOLIDATED	JOURNAL ROLLER BEARING OUTER RACES