d - 40 mm

D - 90 mm

B - 23 mm

C - 23 mm

r min. - 1,5 mm

Weight - 0,78 Kg

Basic dynamic load rating (C) - 119 kN

Basic static load rating (C0) - 95,5 kN

(Grease) Lubrication Speed - 6000 r/min

(Oil) Lubrication Speed - 7500 r/min

Calculation factor (e) - 0,26

Calculation factor (Y0) - 2,5

Calculation factor (Y1) - 2,55

Calculation factor (Y2) - 3,8

• Model Number:21308EK
• Inner Diameter：40mm Outer Diameter：90mm Width：23mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:lifting upgrade,non-ferrous metal alloy,directional control valve,hydraulic cylinder,diving equipment,woodworking machinery,Pneumatic Control Elements,building decoration raw materials and accessories,reinforced machinery,Wire grinder,power tools
• Similar models:NACHI 21308AXK NACHI 21308E NACHI 21308EK NACHI 21308AX
• BEARING POWER International Trading Co.,Ltd. specialize in 21308EK products，there is large inventory of NACHI 21308EK . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 21308EK Which NACHI 21308EK 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
  113057X/113101X	57,15	101,6	25,4	Gamet	Tapered Roller Bearings
  331527 C	488,95	346,075	174,625	SKF	Tapered Roller Bearings
  3NCHAF019CA	95	145	24	KOYO	Angular Contact Ball Bearings
  634 ZZ1	4	16	5	NSK	Deep Groove Ball Bearings
  7018 ACE/P4AH1	140	90	24	SKF	Angular Contact Ball Bearings
  7906CG/GNP4	30	47	9	NTN	Angular Contact Ball Bearings
  BEAM 20/68/C 7P60	20	68	28	SNFA	Thrust Ball Bearings
  M-13141	20,638	26,988	22,23	Timken	Needle Roller Bearings
  M6219	95	170	32	KOYO	Deep Groove Ball Bearings
  NU428	140	360	82	CX	Cylindrical Roller Bearings
  NU415	75	190	45	CRAFT	Cylindrical Roller Bearings
  RE192425AL1	19	24	24,8	KOYO	Needle Roller Bearings
  RN238-E-MPBX	190	306	55	FAG	Cylindrical Roller Bearings
  S3200	10	30	14	ZEN	Angular Contact Ball Bearings
  SL1818/950-E-TB	950	1150	90	INA	Cylindrical Roller Bearings
  ZB2.28.1222.400-1SPPN	1061,6	1345	108	ISB	Thrust Ball Bearings
  RF-615	1.5	6	2.5	NMB	DEEP GROOVE BALL BEARINGS
  6017NR	85	130	22	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  SAF-244	9.5625	8.3125		CONSOLIDATED	PILLOW BLOCKS
  H-3196x450	480	620		CONSOLIDATED	ADAPTERS