d - 4 mm

D - 16 mm

B - 5 mm

C - 5 mm

r min. - 0,3 mm

da min. - 6 mm

da max - 7,6 mm

Da max. - 14 mm

ra max. - 0,3 mm

Basic dynamic load rating (C) - 1,76 kN

Basic static load rating (C0) - 0,68 kN

(Grease) Lubrication Speed - 37 000 r/min

(Oil) Lubrication Speed - 44 000 r/min

Calculation factor (f0) - 12,4

• Model Number: 634Z
• Inner Diameter：4mm Outer Diameter：16mm Width：5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:Pneumatic Actuator,Individual Wire,Industrial,Polymer,nail products,Storage Device,Garment Accessories,Roller mill,Hair styling device,pneumatic,Body shaping
• Similar models:ZEN SF634-2Z SKF 634-2RZ NSK 634 ISO 634 NTN 6340 SKF W634-2RS1 CX 634-2RS FAG 6344-M ZEN SF634-2RS KOYO F634
• BEARING POWER International Trading Co.,Ltd. specialize in 634Z products，there is large inventory of NTN 634Z . We has been built up long-term cooperation with NTN company, could make a bulk order of the 634Z Which NTN 634Z 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
  123077X/123121XH	77,788	121,444	64	Gamet	Tapered Roller Bearings
  23940 KW33	200	280	60	ISO	Spherical Roller Bearings
  332129 A/HA4	965,2	682,625	338,138	SKF	Tapered Roller Bearings
  637 ZZ1	7	26	9	NSK	Deep Groove Ball Bearings
  89312	60	110		CX	Thrust Roller Bearings
  8SBT14	22,225	36,512	9,65	Timken	Plain Bearings
  BTM 65 ATN9/P4CDB	65	100	33	SKF	Thrust Ball Bearings
  GBRI 568032 UU	88,9	127	51,05	IKO	Needle Roller Bearings
  GE80SX	80	125	28	Timken	Plain Bearings
  HM803145/HM803112	41,275	92,075	30,162	Timken	Tapered Roller Bearings
  K110X118X24	110	118		Timken	Needle Roller Bearings
  K81117-TV	85	110	7,5	INA	Thrust Roller Bearings
  NAF 173516	17	35	16	JNS	Needle Roller Bearings
  NF1872	360	440	38	ISO	Cylindrical Roller Bearings
  SYFWK 1. LTHR	25,4	40	25,5	SKF	Bearing Units
  6220M.P5	100	180	34	FAG	DEEP GROOVE BALL BEARINGS
  SAF-516	2.7500			Torrington	PILLOW BLOCKS
  6305ZNR	25	62	17	SKF	DEEP GROOVE BALL BEARINGS
  5220A-2Z	100	180	60.3	SKF	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  N-413	65	160	37	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS