d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

b - 6 mm

d2 - 72,7 mm

r1 min. - 2 mm

r2 min. - 2 mm

D1 - 96,2 mm

K - 3 mm

da min. - 66 mm

Da max. - 109 mm

ra max. - 2 mm

Weight - 1,7 Kg

Basic dynamic load rating (C) - 156 kN

Basic static load rating (C0) - 166 kN

Fatigue load limit (Pu) - 18,6

Reference speed - 5600 r/min

Limiting speed - 7500 r/min

Calculation factor (e) - 0,24

Calculation factor (Y0) - 2,8

Calculation factor (Y1) - 2,8

Calculation factor (Y2) - 4,2

• Model Number: 21311EK
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Spherical Roller Bearings
• Update date：2025-04-19
• Application:lifting equipment Hoisting hoist,pump accessories,Digital Generator,Display Devices,decoration machinery,Broadcasting System,security,mechanical annex,horizontal processing,Body shaping,glass processing machine
• Similar models:KOYO 21311RHK AST 21311MBW33 ISB 21311EKW33+H311 Timken 21311VCSJ ISO 21311KW33 SNR 21311VK FAG 21311-E1 NSK 21311EAE4 NSK 21311EAKE4 FAG 21311-E1-K+AHX311
• BEARING POWER International Trading Co.,Ltd. specialize in 21311EK products，there is large inventory of SKF 21311EK . We has been built up long-term cooperation with SKF company, could make a bulk order of the 21311EK Which SKF 21311EK 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
  160RUB32	160	290	104	NSK	Spherical Roller Bearings
  25578/25523	42,862	82,931	26,988	Fersa	Tapered Roller Bearings
  293/500	500	750	150	NTN	Thrust Roller Bearings
  54316 + U316	65	145	95	FAG	Thrust Ball Bearings
  635ZZ	5	19	6	NMB	Deep Groove Ball Bearings
  71916 ACD/HCP4AH1	110	80	16	SKF	Angular Contact Ball Bearings
  7332-B-MP	160	340	68	NKE	Angular Contact Ball Bearings
  7915DB	75	105	16	NTN	Angular Contact Ball Bearings
  FYT 1.3/8 FM	34,925			SKF	Bearing Units
  HK5528	55	63	28	FBJ	Needle Roller Bearings
  L44643/L44613	25,4	51,986	15,011	Timken	Tapered Roller Bearings
  NUP2860	300	380	48	CX	Cylindrical Roller Bearings
  RASEA40-N	40			INA	Bearing Units
  SBPF206-18	25		30	FYH	Bearing Units
  TRI 13518860	135	188	60,5	IKO	Needle Roller Bearings
  L-212	60	110	22	FAF	SELF
  601XZZS	1.5	6	3	ISC	DEEP GROOVE BALL BEARINGS
  3922	190	110		INA	THRUST BALL BEARINGS
  51305				STEYR	THRUST BALL BEARINGS
  NN-3016-KMSP/5	80	125	34	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS