YQR

YQR (R) series inline helical geared motors

Inline helical geared motors with hardened gear flanks: 13 sizes R17–R167, permissible output torque 85 to 18000 Nm, motors 0.18–160 kW. Foot or flange mounting, integral motor or input shaft, double-reducer R..R combinations for very low speeds and the single-stage RX line for high output speeds.

Sizes: R17, 27, 37, 47, 57, 67, 77, 87, 97, 107, 137, 147, 167; RX37–RX157
Ratio: R: 3.33–289.74; RX: 1.3–8.65 (R..R combinations higher)
Motor power: R: 0.18–160 kW; RX: 0.18–132 kW
Permissible output torque: R: 85–18000 Nm; RX: 20–1680 Nm
Output shaft: solid, ⌀25 (R27) … ⌀120 mm (R167)
Rating basis: selection tables for n₁ = 1400 r/min
Efficiency: up to 96 %
Ambient temperature: −40…+50 °C (oil to be heated below 0 °C)
Altitude: up to 1000 m
Input speed: max. 1800 r/min; gear peripheral speed ≤ 22 m/s
Rotation: forward and reverse
Motors: Y-series, IP54 as standard; brake, flame-proof, inverter-duty and other versions
Mounting positions: M1–M6 (M1 default); terminal box 0°/90°/180°/270° (0° default)
Selection: f_A = f₁·f₂ (load class and daily hours × starts per hour) must not exceed f_B in the tables

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Features

Modular design: one gear unit fits motors of different power
Efficiency up to 96 %
Finely stepped ratios; R..R combinations give very high reductions
Foot (R), flange (RF) and input-shaft (RS, RFS) versions
Single-stage RX/RXF: ratio 1.3–8.65 for high output speeds
Any mounting position M1–M6, four terminal box positions
Customer motor via AM adapter flange; AD input shaft option

Designation

R F 37 – Y 0.55-4P – 32.40 – M1 – 270° – ϕ200

R	type: hard-flank helical gear unit
F	structure: (—) foot, solid shaft; F flange; S foot + input shaft; FS flange + input shaft
37	size
Y	motor code (Y, B, Z, YEJ, D, YVP, YCT, R, YVPJ, G)
0.55-4P	motor power, kW, and poles
32.40	ratio
M1	mounting position M1–M6
270°	terminal box position 0°/90°/180°/270°
ϕ200	output flange diameter (omitted for foot mounting)

Versions

R	foot-mounted, solid shaft
RF	flange-mounted, solid shaft
RS	foot-mounted, input shaft
RFS	flange-mounted, input shaft
R..R	foot-mounted combined (double) unit
RF..R	flange-mounted combined unit
RS..R / RFS..R	combined unit with input shaft
RX	single-stage, foot-mounted
RXF	single-stage, flange-mounted
RXS / RXFS	single-stage with input shaft
R..AM	IEC motor adapter flange (AM63…AM225)
R..AD	input shaft cover (AD1…AD8)

Mounting

Technical data

R/RF series: power, ratios and permissible torque by size

Size	Motor power, kW	Ratio i	Permissible output torque, Nm	Output shaft ⌀ × length, mm	Weight, kg (mean)
17	0.18~0.75	3.83~74.84	85	—	4
27	0.18~3	3.37~135.09	130	25k6 × 50	5.5
37	0.18~3	3.33~134.82	200	25k6 × 50	8.5
47	0.18~5.5	3.83~176.88	300	30k6 × 60	10
57	0.18~7.5	4.39~186.88	450	35k6 × 70	18
67	0.18~7.5	4.29~199.81	600	35k6 × 70	25
77	0.18~11	5.21~195.24	820	40k6 × 80	36
87	0.55~22	5.36~246.54	1550	50k6 × 100	63
97	0.55~30	4.49~289.74	3000	60m6 × 120	101
107	2.2~45	5.06~249.16	4300	70m6 × 140	153
137	5.5~55	5.15~222.60	8000	90m6 × 170	220
147	11~90	5.00~163.31	13000	110m6 × 210	400
167	11~160	10.24~229.71	18000	120m6 × 210	700

Single-stage RX/RXF series

Size	Motor power, kW	Ratio i	Permissible output torque, Nm	Weight, kg (mean)
37	0.18~1.1	1.62~4.43	20	5
57	0.18~5.5	1.3~5.5	70	8
67	0.18~7.5	1.4~6.07	135	14
77	1.1~11	1.42~8.00	215	23
87	3~22	1.39~8.65	400	39
97	5.5~30	1.42~8.23	600	70
107	7.5~45	1.44~6.63	830	100
127	7.5~90	1.51~6.2	1110	150
157	11~132	1.57~6.2	1680	250