d - 55 mm

D - 120 mm

B - 29 mm

d₁ - - 75.34 mm

D₂ - - 103.7 mm

r_1,2 - min. - 2 mm

d_a - min. - 66 mm

d_a - max. - 75.2 mm

D_a - max. - 109 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 74.1 kN

Basic static load rating - C₀ - 45 kN

Fatigue load limit - P_u - 1.9 kN

Reference speed - 12000 r/min

Limiting speed - 6300 r/min

Calculation factor - k_r - 0.03

Calculation factor - f₀ - 13.1

Mass bearing - 1.422 kg

• Model Number: 6311-2Z
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:Body shaping,plastic blow molding,coupling type,pipe fittings Steel industry,,Vertical machining,welding equipment,circulating pump,garden machinery,other CNC,ship special
• Similar models:NTN 6311N NACHI 6311NKE NTN 6311ZZD2 KBC 6311 SKF 6311-2Z/VA201 CRAFT 6311-2RS NACHI 6311 NTN 6311LLUNR NKE 6311 SNR 6311F600
• BEARING POWER International Trading Co.,Ltd. specialize in 6311-2Z products，there is large inventory of SKF 6311-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the 6311-2Z Which SKF 6311-2Z 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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  NA498	8	19	11	CX	Needle Roller Bearings
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  UKFC213+H2313	60			NACHI	Bearing Units
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  5210	50	90	30.2	FED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  22230	150	270	73	Torrington	SPHERICAL ROLLER BEARINGS
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