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Simplified drawing of the bearing per ISO 8826-1, dimensions of 6311ZZCM D EEMS5: ⌀55 × ⌀120 × 29 mm⌀120⌀55296311ZZCM D EEMS5D
Fig. 1: 6311ZZCM D EEMS5, simplified drawing per ISO 8826-1. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of 6311ZZCM D EEMS5

Load: radial medium; axial low, on both sidesDeep groove ball

Bearing NSK 6311ZZCM D EEMS5

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Specifications

Manufacturer number
ISO designation
GOST number
Equivalents
1 exact, 41 approximate
d
55 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
120 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
29 mm
Width BRing width. Source: supplier data
Seal
Dcontact seal on one side
Clearance
CM
01

Equivalents

the same size 55 × 120 × 29 from other brands

44 products
Cross-section drawing to size: Deep groove ball, 55 × 120 × 29 mm
You are viewingNSK 6311ZZCM D EEMS5

Same size, different design: the difference is written in the row.

  • Series illustration (not a photo of this item): 6311 2RS6311 2RScontact seals on both sides, normal clearance, standard designCT55 × 120 × 292,650 pcs€3.59Request a quote
  • Series illustration (not a photo of this item): 6311 2RS6311 2RScontact seals on both sides, normal clearance, standard designNTE55 × 120 × 29138 pcs€8.19Request a quote
  • Series illustration (not a photo of this item): 6311 2RS C36311 2RS C3contact seals on both sides, clearance C3, standard designNTE55 × 120 × 29100 pcs€8.19Request a quote
  • Photo: 6311 2RSR6311 2RSRcontact seals on both sides, normal clearance, standard designFAG55 × 120 × 29100 pcs€23.27Request a quote
  • Photo: 6311 2RSR C36311 2RSR C3contact seals on both sides, clearance C3, standard designFAG55 × 120 × 29100 pcs€23.27Request a quote
  • Series illustration (not a photo of this item): 6311 2RS6311 2RScontact seals on both sides, normal clearance, standard designKoyo55 × 120 × 2911 pcs€27.82Request a quote
  • Photo: 6311 2RS6311 2RScontact seals on both sides, normal clearance, standard designURB55 × 120 × 29available to order€4.46Request a quote
  • Photo: 6311 2RS6311 2RScontact seals on both sides, normal clearance, standard designVBF55 × 120 × 29available to order€11.05Request a quote
  • Photo: 6311 2RS6311 2RScontact seals on both sides, normal clearance, standard designZ&S55 × 120 × 29available to order€13.68Request a quote
  • Photo: 6311 2RS6311 2RScontact seals on both sides, normal clearance, standard designCX55 × 120 × 29available to order€17.10Request a quote
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Details

what this bearing is, questions

About the bearing

D 120d 55B 29
d×D×Bsize 55 × 120 × 29mm

Deep groove ball bearing 6311-RS, design D: contact seal on one side. Under GOST the same bearing is designated 160311.

Frequently asked questions

How does 2RS differ from ZZ?

2RS has rubber seals that touch the inner ring and keep out dust and water better, which is the usual choice for field machinery. ZZ has metal shields that do not touch, allow higher speeds, and protect against dirt less well.

What is 160311?

It is the same bearing under GOST 3189-89: 16 — contact seal on one side, 0311 corresponds to the ISO base 6311. Size 55 × 120 × 29 mm, a full equivalent of 6311-RS.

Can I fit another brand instead of this bearing?

Without checking, only an exact equivalent: the size, seal, clearance and design match according to the brand’s catalogue. Positions with the same geometry differ in seal, clearance or design, and each one says so in the equivalents block. Load ratings differ between manufacturers, so for a heavily loaded unit compare C.

How do I get a price and a lead time?

Press “Request a quote” and send the part number and quantity. We reply with the price, availability and delivery terms for your country.

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