d - 6,35 mm

D - 15,875 mm

B - 4,978 mm

C - 4,978 mm

r min. - 0,3 mm

da min. - 8 mm

da max - 8,6 mm

Da max. - 14,2 mm

ra max. - 0,3 mm

Weight - 4,4 Kg

Basic dynamic load rating (C) - 1,48 kN

Basic static load rating (C0) - 0,615 kN

(Grease) Lubrication Speed - 36000 r/min

(Oil) Lubrication Speed - 43000 r/min

Calculation factor (f0) - 13,6

• Model Number: R4
• Inner Diameter：6,35mm Outer Diameter：15,875mm Width：4,978mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-14
• Application:cleaning agent,machine lathe,teaching equipment,relay,electromagnet,scientific instruments,switch,ECG,shaft milling machine,DC generators,Industrial
• Similar models:ZEN S6305-2Z KBC 6314 NACHI 6913 SKF BB1B362021 ZEN SMR85-2Z Timken 9121K INA GE65-214-KTT-B CX 618/7ZZ SKF 4302ATN9 SNR EX211G2
• BEARING POWER International Trading Co.,Ltd. specialize in R4 products，there is large inventory of NTN R4 . We has been built up long-term cooperation with NTN company, could make a bulk order of the R4 Which NTN R4 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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