d - 55 mm

D - 120 mm

B - 29 mm

d₂ - - 72.7 mm

D₁ - - 96.2 mm

b - 6 mm

K - 3 mm

r_1,2 - min. - 2 mm

d_a - min. - 66 mm

D_a - max. - 109 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 159 kN

Basic static load rating - C₀ - 163 kN

Fatigue load limit - P_u - 18 kN

Reference speed - 5600 r/min

Limiting speed - 7500 r/min

Calculation factor - e - 0.24

Calculation factor - Y₁ - 2.8

Calculation factor - Y₂ - 4.2

Calculation factor - Y₀ - 2.8

Weight - 1.7 kg

• Model Number:21311 E
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Spherical Roller Bearings
• Update date：2025-12-23
• Application:machine lathe,Film machine,nail products,Low-voltage electrical equipment,Industrial equipment,Forklift industry,Machine Tool Accessories,printing equipment,Flame Cutting,labor insurance,chemical
• Similar models:CX 21311KCW33+AH311 ISB 21311K+AHX311 SNR 21311V ISB 21311 SKF 21311EK NTN 21311K FAG 21311-E1-K KOYO 21311RH AST 21311MBKW33 NTN 21311
• BEARING POWER International Trading Co.,Ltd. specialize in 21311E products，there is large inventory of SKF 21311 E . We has been built up long-term cooperation with SKF company, could make a bulk order of the 21311 E Which SKF 21311E 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
  120RJ30	120	170		Timken	Cylindrical Roller Bearings
  22326 KCW33+AH2326	130	280	93	CX	Spherical Roller Bearings
  30314J2/Q	70	150	38	SKF	Tapered Roller Bearings
  336/332	41,275	80	21	FBJ	Tapered Roller Bearings
  399AS/394A	68,262	110	22	Fersa	Tapered Roller Bearings
  512392	69,85	120	32,545	FAG	Tapered Roller Bearings
  5315	75	160	68.3	NACHI	Angular Contact Ball Bearings
  6001-RSH	12	28	8	SKF	Deep Groove Ball Bearings
  6321Z	105	225	49	NACHI	Deep Groove Ball Bearings
  7200 ADF	10	30	18	ISO	Angular Contact Ball Bearings
  BEAM 25/75/Z 7P60	25	75	28	SNFA	Thrust Ball Bearings
  BH-2012	31,75	41,275	19,05	Timken	Needle Roller Bearings
  NA4960	300	420	118	NTN	Needle Roller Bearings
  QJ1028	140	210	33	CYSD	Angular Contact Ball Bearings
  TR358023	35	80	22,75	KBC	Tapered Roller Bearings
  W 61805 R-2Z	25	37	7	SKF	Deep Groove Ball Bearings
  W 638/2.5 R-2Z	6	2,5	2,6	SKF	Deep Groove Ball Bearings
  RNAST30	62		19.8	FAG (Old No.)	NEEDLE BEARINGS
  KA060XPO	6.0000	6.5000	.2500	KAYDON	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  87603	17	47	.5511	CONSOLIDATED	DEEP GROOVE BALL BEARINGS