IMPORT & EXPORT TRADING
Roller & needle bearings
Machined-ring needle roller bearings
Precision machined rings with ribs for axial location; NA with inner ring, RNA without. Connecting rods, hydraulic and gear pumps.
Roller & needle bearings
Technical data
Series
NA 48/49/69 · RNA · NK · NKI
Size range
⌀ 10–120 mm
Standards
ISO 1206
General specifications
Material
GCr15 · ШХ15 · AISI 52100 / SUJ2 · 100Cr6
Hardness
61–65 HRC
Precision classes
P0 (PN) / P6 / P5 / P4 · P2 под заказ · ISO 492 · ГОСТ 0/6/5/4
Radial clearance
C2 / C0 / C3 / C4 / C5 · ISO 5753
Cage
steel · brass · PA66
Seals
ZZ · 2RS · open
Operating temperature
−40 … +120 °C · S0 / S1 / S2: +150 / +200 / +250 °C
Vibration & noise
Z1–Z3 · V1–V3 · ISO 15242
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Send the designation (SKF / FAG / NSK / GOST) and quantity — we reply with an interchangeable list, price and lead time within 24 hours on business days.