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Drawing of NJ 311: ⌀55 × ⌀120 × 29 mm⌀120⌀5529NJ 311
Fig. 1: NJ 311, end view and section; internal parts simplified per ISO 8826-1. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of NJ 311

Load: radial high; axial low, on one sideCylindrical roller NJ

Bearing ZKL NJ 311

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Specifications

Manufacturer number
Equivalents
9 exact, 31 approximate
d
55 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
120 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
B
29 mm
Width BRing width. Source: two supplier sources
Seal
open, no protection
Clearance
normal clearance
m
1.51 kg
MassWeight of the product. Source: supplier data
01

Equivalents

the same size 55 × 120 × 29 from other brands

42 products
Cross-section drawing to size: Cylindrical roller NJ, 55 × 120 × 29 mm
You are viewingZKL NJ 311

Size and design match across the brand catalogues. The codes in the number are read against the ZKL catalogue.

  • Cross-section drawing to size: Cylindrical roller NJ, 55 × 120 × 29 mmNJ 311This bearingZKL55 × 120 × 29out of stockon requestyou are here
  • Cross-section drawing to size: Cylindrical roller NJ, 55 × 120 × 29 mmNJ 311CT55 × 120 × 2931 pcs€6.61Request a quote
  • Photo: NJ 311NJ 311FLT55 × 120 × 29available to order€24.79Request a quote
  • Photo: NJ 311 ENJ 311 EZ&S55 × 120 × 29available to order€24.82Request a quote
  • Photo: NJ 311 ENJ 311 EFAG55 × 120 × 29available to order€74.03Request a quote
  • Cross-section drawing to size: Cylindrical roller NJ, 55 × 120 × 29 mmNJ 311KG55 × 120 × 29available to orderon requestRequest a quote
  • Cross-section drawing to size: Cylindrical roller NJ, 55 × 120 × 29 mmNJ 311 EWNSK55 × 120 × 29available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): NJ 311 ENJ 311 ENTE55 × 120 × 29available to orderon requestRequest a quote
  • Cross-section drawing to size: Cylindrical roller NJ, 55 × 120 × 29 mmNJ 311 ECPSKF55 × 120 × 29available to orderon requestRequest a quote
02

Details

what this bearing is, questions

About the bearing

d×D×Bsize 55 × 120 × 29mm
mweight 1.51kg

Cylindrical roller NJ bearing NJ 311.

M: ZKL data. Another brand publishes its own figures, so compare them against that brand’s catalogue.

Frequently asked questions

Will 311 C3 fit instead?

Same size, clearance greater than normal. C3 is used where the bearing runs hot or sits on the shaft with an interference fit. If the old bearing is not marked C3, take this one.

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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